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Random number &  Random String in Oracle/ عربي
 
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oracle sql Random number & Random String in Oracle select dbms_random.random from dual; select dbms_random.value from dual; select dbms_random.value(1,10) from dual; select round(dbms_random.value(1,10) ) from dual; /* 'u', 'U' - returning string in uppercase alpha characters 'l', 'L' - returning string in lowercase alpha characters 'a', 'A' - returning string in mixed case alpha characters 'x', 'X' - returning string in uppercase alpha-numeric characters 'p', 'P' - returning string in any printable characters. */ select dbms_random.STRING('L',15) from dual; select dbms_random.STRING('U',10) from dual; select dbms_random.STRING('A',10) from dual; select dbms_random.STRING('X',20) from dual; select dbms_random.STRING('P',20) from dual;
Views: 754 khaled alkhudari
Generating random numbers in Oracle
 
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For more tutorial please visit #techquerypond https://techquerypond.com https://techquerypond.wordpress.com https://twitter.com/techquerypond
Views: 587 Tech Query Pond
Generating random string in Oracle
 
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Generating random string in Oracle About DBMS_RANDOM package The DBMS_RANDOM package will generate random data in character, numeric or alphanumeric formats. we can use this for generating the passwords also. we can generate strings in upper case, lower case or alphanumeric format. The first parameter for string type to be generated. U – Upper case L – Lower case A – Alphanumeric X – Alphanumeric with upper case alphabets. P – Printable characters only. 1)Generating an upper case string select dbms_random.string(‘U’, 10) from dual; 2)Generating a lower case string select dbms_random.string(‘L’, 10) from dual; 3)Generating an upper case alphanumeric string select dbms_random.string(‘X’, 10) from dual; 4)Generating a string of printable select dbms_random.string(‘P’, 10)from dual; For more tutorial please visit #techquerypond https://techquerypond.com https://techquerypond.wordpress.com https://twitter.com/techquerypond
Views: 310 Tech Query Pond
DBMS_RANDOM : Generating Random Data (Numbers, Strings and Dates) in Oracle
 
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A demonstration of how to generate random numbers, strings and dates using the DBMS_RANDOM package in Oracle. For more information see: https://oracle-base.com/articles/misc/dbms_random.php Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Chet Justice and LC Blog: http://www.oraclenerd.com/ Twitter: https://twitter.com/oraclenerd Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 3395 ORACLE-BASE.com
Oracle SQL Generate Random Alphanumeric String
 
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In this video, you’ll learn how to generate random alphanumeric characters in an SQL statement in Oracle SQL You can use Oracle SQL to generate random alphanumeric string values by using one of the built-in functions. This function allows you to specify the type of string to generate - upper or lowercase alpha characters only, mixed alpha characters, uppercase alphanumeric characters, or any printable characters. You can also specify the length of the string to generate, This can be a fixed number, or you can use another function to generate a random number to use for the length! You’ll see some examples of generating random alphanumeric string values in this video. For more information and tips on Oracle SQL, check out DatabaseStar.com: https://www.databasestar.com/
Views: 278 Database Star
Oracleadda.com - Random functions in Oracle
 
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visit our forum: www.oracleadda.com How to generate random numbers, strings and dates in Oracle. Use them for your testing purpose.Please comment in case of any concerns understanding above.
Views: 206 Oracleadda
Test Data Generation in SQL with in 1 minute
 
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This tutorial explains how can you generate test data for tables with in 1 minute using only sql queries. It explains the 3 components used in data generation. 1.Dual table 2.DBMS_RANDOM 3.Connect by level and how you can combine them easily to generate huge amount of data with in seconds. The video touches on how to handle constraints but doesn't go in depth. If all of you find it useful and give me a thumbs like. I will prepare a detailed video explaining everything in simple manner with real projects examples. If you require any clarifications for the video content.Drop a comment and I will try to resolve asap. Please don't forget to like the video and do subscribe to my channel
Views: 2121 Tech Coach
Oracle 11g Основы PL SQL. Модуль 08. Обработка исключений
 
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- Понимание исключений - Обработка исключений в PL-SQL - Перехват предопределённых ошибок сервера Oracle - Перехват не-предопределённых ошибок сервера Oracle - Перехват исключений, определяемых пользователями - Распространение исключений - Использование процедуры RAISE_APPLICATION_ERROR
Views: 1311 Tech Net
Урок 23.PL SQL. Случайность DBMS_RANDOM
 
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Для работы со случайными значениями в PL SQL используется пакет DBMS_RANDOM DBMS_RANDOM пакет содержит встроенный генератор случайных чисел Oracle PL SQL. учебная среда https://apex.oracle.com/pls/apex/f?p=4550:1:103440124..::::: схема: SQLADV польз: student1 пароль: student1 будут работать (student2/ student2, student3/ student3 .... student11/ student11) меню SQL Workshop , SQL Command или используйте http://sqlfiddle.com/ скрипт бд для загрузки в sqlfiddle http://sqladv.ru/dev/sql.txt урок и задания http://sqladv.ru/dev/plsql/l23.txt
Урок10a.PL SQL.Циклы в PL SQL
 
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Практически в любом алгоритмическом языке программирования существуют синтаксические конструкции, отвечающие за организации повторения одинаковых частей программы. Такие повторения назеваются циклами, а операторы – операторами для организации циклов. В отличие от других языков с их repeat while в ORACLE PL SQL циклы упрощены, но вместе с тем удобны, хорошо воспринимаются и позволяют реализовать практически любой сложный алгоритм. Oracle PL SQL. учебная среда https://apex.oracle.com/pls/apex/f?p=4550:1:103440124..::::: схема: SQLADV польз: student1 пароль: student1 будут работать (student2/ student2, student3/ student3 .... student11/ student11) меню SQL Workshop , SQL Command или используйте http://sqlfiddle.com/ скрипт бд для загрузки в sqlfiddle http://sqladv.ru/dev/sql.txt урок и задания http://sqladv.ru/dev/plsql/l10a.txt
SQL query to find first record and last record in single query
 
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SQL query to find first record and last record in single query
Views: 8755 SQL Guru
PART-1 (Hello World)  Oracle PL SQL Training - Fast Track Series
 
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Topic 1: Basic Syntax, Hello World Program And Program Units Basic Syntax: Declaration Executable Commands (Begin End) Exception Handling set serveroutput on; begin dbms_output.put_line('Hello World'); end; / DECLARE RADIOUS NUMBER := 7; PI NUMBER := 3.14; AREA NUMBER ; BEGIN AREA := PI * RADIOUS * RADIOUS ; DBMS_OUTPUT.PUT_LINE('AREA :' || AREA); END; / DECLARE A NUMBER := 0; B NUMBER := 5; C NUMBER; BEGIN C := B/A; DBMS_OUTPUT.PUT_LINE('C :' || C); END; / DECLARE A NUMBER := 0; B NUMBER := 5; C NUMBER; BEGIN C := B/A; DBMS_OUTPUT.PUT_LINE('C :' || C); EXCEPTION WHEN ZERO_DIVIDE THEN DBMS_OUTPUT.PUT_LINE('NUMBER CAN NOT BE DIVIDED BY ZERO'); END; / Program Units: • Anonymous Blocks • Functions • Procedures • Package and Package Body • Trigger • Type and Type Body
Views: 2613 Sanket Patel
Oracle In-database Machine Learning in 7 minutes (ATP and ADWC)
 
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In 7 minutes you'll learn how to: 01:59 Create an Oracle Cloud trial 03:24 Provision a database with Machine Learning capacilities 04:38 Create a Machine Learning script with SQL and PL/SQL
Views: 1117 Oracle Developers
Oracle tutorial : Global Temporary Table In Oracle PL SQL
 
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Oracle tutorial : Global Temporary Table In Oracle PL SQL create temp table sql This video will explain to you how to create Temporary Tables in Oracle Oracle tutorial : Global Temporary Table In Oracle 1)The data in such a table is stored only as long as the session or transaction lasts and is private for each session. 2)The definition is visible to all sessions. 3)After commit or disconnection, the data is lost but the definition of the table remains. 4)Indexes created on a temporary. 5)Scope of TRUNCATE command is a single database session. There is no effect of TRUNCATE on other sessions. 6)Foreign key constraints are not applicable in case of Temporary tables 7)Temporary tables cannot contain column of persistent collection type Syntax : CREATE GLOBAL TEMPORARY TABLE table_name ( column_name column_data_type … … ) ON COMMIT DELETE ROWS; CREATE GLOBAL TEMPORARY TABLE Emp ( id number(5) NOT NULL, name varchar2(50) NOT NULL, city varchar2(50) NOT NULL ) ON COMMIT DELETE ROWS INSERT INTO Emp VALUES (1, ‘Test1’, ‘city1’); INSERT INTO Emp VALUES (2, ‘Test2’, ‘city2’); INSERT INTO Emp VALUES (3, ‘Test3’, ‘city3’); SELECT COUNT(*) FROM emp; Result = 3 rows COMMIT; SELECT COUNT(*) FROM emp; Result = 0 rows For more tutorial please visit #techquerypond https://techquerypond.com https://techquerypond.wordpress.com https://twitter.com/techquerypond oracle temporary table create temporary table sql temp table
Views: 3890 Tech Query Pond
SQL RAND function - how to use SQL RAND function
 
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The SQL Server RAND function can be used to return a random number or a random number within a range. visit Dose for excel Add-In website: http://www.zbrainsoft.com/ Visit our channel: https://www.youtube.com/channel/UCI4bMWYzrBTs47KINXL92Kw
UTL_MATCH : String Matching in Oracle
 
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Use the UTL_MATCH package to determine the similarity between two strings. For more information see: https://oracle-base.com/articles/11g/utl_match-string-matching-in-oracle Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Danny Bryant Blog: http://dbaontap.com/ Twitter: https://twitter.com/dbcapoeira Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 3088 ORACLE-BASE.com
Oracle PLSQL Library (In Urdu)
 
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Oracle Forms (in Urdu) Lecture 10
Views: 405 oracle videos
Generating Code Quickly with Oracle SQL Developer
 
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See how in 15 minutes you can generate SQL statements, anonymous PL/SQL blocks to run your programs, get help completing database object names, and re-using frequently used snippets of code or queries in Oracle SQL Developer.
Oracle tutorial : How to create Id with AUTO INCREMENT in Oracle PL SQL
 
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Oracle tutorial: How to create Id with AUTO INCREMENT in Oracle oracle tutorial for beginners sequence in oracle identity key in sql In this Oracle tutorial , we can create an auto increment field using ‘sequence’ object that can be assigned as primary keys. Using Oracle ‘sequence’ object, you can generate new values for a column. An Oracle sequence is an object like a table or a stored procedure. Examples CREATE SEQUENCE SYSTEM.MYSEQ START WITH 1 MAXVALUE 999999999999999999999999999 MINVALUE 1 NOCYCLE CACHE 20 NOORDER; CREATE OR REPLACE TRIGGER TR_CITY BEFORE INSERT ON CITY FOR EACH ROW BEGIN SELECT LPAD(LTRIM(RTRIM(TO_CHAR(myseq.NEXTVAL))),10,'0') INTO :NEW.id FROM DUAL; END; / Subscribe on youtube: https://www.youtube.com/channel/UCpiyAesWNYOXSz5GPq8lbkA For more tutorial please visit #techquerypond https://techquerypond.wordpress.com https://twitter.com/techquerypond identity column
Views: 9336 Tech Query Pond
wf 00 13 Adding pl/sql document to the oracle workflow
 
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Adding pl/sql document to the oracle workflow. for files used in this lab please visit http://www.oracleerpxlabs.com
Views: 274 Tom Gregory
SQL Join
 
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Начиная разбираться в SQL многие сталкиваются с проблемой сложности понимания различия между разными JOIN-ами в этом языке. В этом видео уроке я объясняю: 1) Что такое JOIN. 2) Различие между CROSS JOIN, INNER JOIN, LEFT JOIN, RIGHT JOIN, и FULL JOIN. Также показываю как реализовать FULL JOIN в базах данных, которые не предоставляют такую конструкцию.
Views: 57752 Volodya Mozhenkov
PL/SQL (Variables)
 
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PL/SQL (Variables)
56/125 Oracle PLSQL: Working with Packages / Forward Declaration
 
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Learn Oracle PLSQL EXAM 1Z0-144 --------------------------------------------------------------------- create or replace package proc_rules_calling is procedure print_emp_details (p_emp_id number); end; create or replace package body proc_rules_calling is function get_no_work_days (p_emp_id number) return number is v_hiredate date; begin select HIRE_DATE into v_hiredate from employees where EMPLOYEE_ID=p_emp_id; return round(sysdate-v_hiredate); end; procedure print_emp_details (p_emp_id number) is -- we will call the funcion from this procedure --so it should be defined above in order to invoke it v_details employees%rowtype; begin select * into v_details from employees where EMPLOYEE_ID=p_emp_id; dbms_output.put_line( 'id:'||v_details.EMPLOYEE_ID); dbms_output.put_line( 'fname:'||v_details.FIRST_NAME); dbms_output.put_line( 'salary:'||v_details.salary); dbms_output.put_line( 'hire date:'||v_details.HIRE_DATE); dbms_output.put_line( 'no of days work:'||get_no_work_days(p_emp_id)); end; end; execute proc_rules_calling.print_emp_details(101); ------------------------------------------------------------------------------ --same example but we will change the order create or replace package proc_rules_calling is procedure print_emp_details (p_emp_id number); end; --it will give error --'GET_NO_WORK_DAYS' not declared in this scope create or replace package body proc_rules_calling is procedure print_emp_details (p_emp_id number) is v_details employees%rowtype; begin select * into v_details from employees where EMPLOYEE_ID=p_emp_id; dbms_output.put_line( 'id:'||v_details.EMPLOYEE_ID); dbms_output.put_line( 'fname:'||v_details.FIRST_NAME); dbms_output.put_line( 'salary:'||v_details.salary); dbms_output.put_line( 'hire date:'||v_details.HIRE_DATE); dbms_output.put_line( 'no of days work:'||get_no_work_days(p_emp_id)); end; function get_no_work_days (p_emp_id number) return number is v_hiredate date; begin select HIRE_DATE into v_hiredate from employees where EMPLOYEE_ID=p_emp_id; return round(sysdate-v_hiredate); end; end; ------------------------------------------------------------------ --the solution is to do forward declaration drop package proc_rules_calling; create or replace package proc_rules_calling is procedure print_emp_details (p_emp_id number); end; create or replace package body proc_rules_calling is function get_no_work_days (p_emp_id number) return number; -- we put the function specification only procedure print_emp_details (p_emp_id number) is -- we will call the funcion from this procedure --so it should be defined above in order to invoke it v_details employees%rowtype; begin select * into v_details from employees where EMPLOYEE_ID=p_emp_id; dbms_output.put_line( 'id:'||v_details.EMPLOYEE_ID); dbms_output.put_line( 'fname:'||v_details.FIRST_NAME); dbms_output.put_line( 'salary:'||v_details.salary); dbms_output.put_line( 'hire date:'||v_details.HIRE_DATE); dbms_output.put_line( 'no of days work:'||get_no_work_days(p_emp_id)); end; function get_no_work_days (p_emp_id number) return number is v_hiredate date; begin select HIRE_DATE into v_hiredate from employees where EMPLOYEE_ID=p_emp_id; return round(sysdate-v_hiredate); end; end; execute proc_rules_calling.print_emp_details(104);
Views: 752 khaled alkhudari
Oracle Tutorial || Oracle| Sql clauses Part - 1 by basha
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
PL/SQL  FUNCION EN ORACLE
 
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PL/SQL FUNCION EN ORACLE DE TABLA LIBRO att: oscar laurente
Views: 1453 oskar laurente
Security of Encryption Schemes in Weakened Random Oracle Models.
 
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Talk at pkc 2010. Authors: Akinori Kawachi, Akira Numayama, Keisuke Tanaka, Keita Xagawa. See http://www.iacr.org/cryptodb/data/paper.php?pubkey=23418
Views: 239 TheIACR
Oracle SQL Tutorial 22 - Why Primary Keys Shouldn't Change
 
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In the last video I mentioned that with our database design it is important to make sure that nobody tries to update a user's username. What happens if they do? Nothing horrible, Oracle will just throw an error. That's not such a big deal, but if you are hoping to make some kind of application that allows someone to change their username, this is not the best set up. Why? If you look at the projects table, we have a foreign key that references the username. Let's assume for a moment that Oracle allows you to do anything with your data. That means that if a user updates their username, there will be projects created by users that don't exist. Or a user could change their name to the previous owner. To fix this problem, we would need something such as an ON UPDATE CASCADE command for our foreign key. That would mean that if the user updated their username, the columns that reference that username would also update to the new value. This exists in some database management systems, but this does not exist in Oracle at the time of this video. How do we get around this problem? I'm sure we could conjure up something to allow us to update the username, but the easiest solution is to reference the user_id instead of the username. That way, when the username is updated, nothing changes inside of the foreign key. As a general rule, primary keys should never change. Foreign keys CAN change, but they should not change because a primary key changed. So, if we did happen to use a username as a column, it would be frowned upon if the username had to change because the column it references changes. However, it would be acceptable to change the foreign key if we needed to point to a new entity in the users table. Even if a username is never intended to change, these complications bother a lot of people. You can mitigate these problems by only referencing surrogate keys in foreign keys. This has the downside though that when you retrieve the data, you are going to have to do more work to make the data readable. For example, we had a table that was called project_users. It is essentially a table that says what users are part of what projects. We could have the foreign keys reference the project's name and the user's username. Then when you could say SELECT * FROM project_users. The data would be completely readable without doing anything. If you switch to only referencing surrogate primary keys, you will have a bunch of random numbers that don't mean anything and will have to be joined with other tables…which is really super frustrating when later you have to join a thousand tables to read anything. Which side do you prefer? Pick a side. Choose wisely. I'll see you all in the next video ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ HELP ME! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 5631 Caleb Curry
ROWID & ROWNUM in Oracle/ عربي
 
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ROWID & ROWNUM in Oracle
Views: 1082 khaled alkhudari
NULL-Related Functions in Oracle
 
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An overview of some of the functions Oracle provides to handle NULL values in SQL and PL/SQL. For more information see: https://oracle-base.com/articles/misc/null-related-functions Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Bjoern Rost Blog: http://portrix-systems.de/blog/brost/ Twitter: https://twitter.com/brost Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 2631 ORACLE-BASE.com
SQL: Sequence Generator
 
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In this tutorial, you'll learn how to make use of sequence generator. PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension for SQL and the Oracle relational database. PL/SQL is available in Oracle Database (since version 7), TimesTen in-memory database (since version 11.2.1), and IBM DB2 (since version 9.7).[1] Oracle Corporation usually extends PL/SQL functionality with each successive release of the Oracle Database. PL/SQL includes procedural language elements such as conditions and loops. It allows declaration of constants and variables, procedures and functions, types and variables of those types, and triggers. It can handle exceptions (runtime errors). Arrays are supported involving the use of PL/SQL collections. Implementations from version 8 of Oracle Database onwards have included features associated with object-orientation. One can create PL/SQL units such as procedures, functions, packages, types, and triggers, which are stored in the database for reuse by applications that use any of the Oracle Database programmatic interfaces. PL/SQL works analogously to the embedded procedural languages associated with other relational databases. For example, Sybase ASE and Microsoft SQL Server have Transact-SQL, PostgreSQL has PL/pgSQL (which emulates PL/SQL to an extent), and IBM DB2 includes SQL Procedural Language,[2] which conforms to the ISO SQL’s SQL/PSM standard. The designers of PL/SQL modeled its syntax on that of Ada. Both Ada and PL/SQL have Pascal as a common ancestor, and so PL/SQL also resembles Pascal in several aspects. However, the structure of a PL/SQL package does not resemble the basic Object Pascal program structure as implemented by a Borland Delphi or Free Pascal unit. Programmers can define public and private global data-types, constants and static variables in a PL/SQL package.[3] PL/SQL also allows for the definition of classes and instantiating these as objects in PL/SQL code. This resembles usage in object-oriented programming languages like Object Pascal, C++ and Java. PL/SQL refers to a class as an "Abstract Data Type" (ADT) or "User Defined Type" (UDT), and defines it as an Oracle SQL data-type as opposed to a PL/SQL user-defined type, allowing its use in both the Oracle SQL Engine and the Oracle PL/SQL engine. The constructor and methods of an Abstract Data Type are written in PL/SQL. The resulting Abstract Data Type can operate as an object class in PL/SQL. Such objects can also persist as column values in Oracle database tables. PL/SQL is fundamentally distinct from Transact-SQL, despite superficial similarities. Porting code from one to the other usually involves non-trivial work, not only due to the differences in the feature sets of the two languages,[4] but also due to the very significant differences in the way Oracle and SQL Server deal with concurrency and locking. There are software tools available that claim to facilitate porting including Oracle Translation Scratch Editor,[5] CEITON MSSQL/Oracle Compiler [6] and SwisSQL.[7] The StepSqlite product is a PL/SQL compiler for the popular small database SQLite. PL/SQL Program Unit A PL/SQL program unit is one of the following: PL/SQL anonymous block, procedure, function, package specification, package body, trigger, type specification, type body, library. Program units are the PL/SQL source code that is compiled, developed and ultimately executed on the database. The basic unit of a PL/SQL source program is the block, which groups together related declarations and statements. A PL/SQL block is defined by the keywords DECLARE, BEGIN, EXCEPTION, and END. These keywords divide the block into a declarative part, an executable part, and an exception-handling part. The declaration section is optional and may be used to define and initialize constants and variables. If a variable is not initialized then it defaults to NULL value. The optional exception-handling part is used to handle run time errors. Only the executable part is required. A block can have a label. Package Packages are groups of conceptually linked functions, procedures, variables, PL/SQL table and record TYPE statements, constants, cursors etc. The use of packages promotes re-use of code. Packages are composed of the package specification and an optional package body. The specification is the interface to the application; it declares the types, variables, constants, exceptions, cursors, and subprograms available. The body fully defines cursors and subprograms, and so implements the specification. Two advantages of packages are: Modular approach, encapsulation/hiding of business logic, security, performance improvement, re-usability. They support object-oriented programming features like function overloading and encapsulation. Using package variables one can declare session level (scoped) variables, since variables declared in the package specification have a session scope.
Views: 7938 radhikaravikumar
How to select top N records using nested query in pl / sql
 
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Online Training video to guide you how to select top N records using nested query in pl / sql.
Views: 2688 Subhroneel Ganguly
Cargar datos Aleatorios con PLSQL y Datos Externos, en SQLDeveloper.
 
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Scripts Usados: https://drive.google.com/file/d/0B7KUQB97TxezczMtUFpObE9VMFE/edit?usp=sharing
Views: 290 Henry Bravo
Machine Learning in Action
 
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Everybody is talking about machine learning. What is it actually and where can I use it? In this presentation we will see some examples how machine learning has been used and we discuss what kind of skills are valuable and needed when starting with machine learning. Heli Helskyaho CEO Miracle Finland Oy Heli Helskyaho is the CEO for Miracle Finland Oy and an Ambassador for EOUC (EMEA Oracle Users Group Community). Heli holds a Master’s degree (Computer Science) in the University of Helsinki and she is specialized on databases. At the moment she is working on her doctoral studies, researching and teaching at the University of Helsinki. Her research areas cover Big Data, multi-model databases, schema discovery and methods and tools for utilizing semi-structured data for decision making. Heli has been working on IT since 1990. She has been in several positions but every role has always included databases and database designing. Heli believes that good database design and good documentation reduces performance problems and makes solving them easier. Heli is an Oracle ACE Director and a frequent speaker in many conferences. She is the author of Oracle SQL Developer Data Modeler for Database Design Mastery (Oracle Press 2015) and a co-author of Real World SQL and PL/SQL: Advice from the Experts (Oracle Press 2016).
Views: 637 Oracle Developers
Random oracle
 
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Random oracle In cryptography, a random oracle is an oracle (a theoretical black box) that responds to every unique query with a (truly) random response chosen uniformly from its output domain.If a query is repeated it responds the same way every time that query is submitted. -Video is targeted to blind users Attribution: Article text available under CC-BY-SA image source in video https://www.youtube.com/watch?v=lxi-q8SjbUU
Views: 407 WikiAudio
50. AUTO INCREMENT in SQL (Hindi)
 
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Please Subscribe Channel Like, Share and Comment Visit : www.geekyshows.com
Views: 13266 Geeky Shows
Declaring & Initializing Variables in Java
 
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Views: 228 T3SO Tutorials
How Generate Custom ID in SQL
 
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This tutorial will teach how to generate custom unique id's in Sql Server. Also please file links to download scripts below. https://github.com/vetrivelandyou/RecordedProject/blob/master/How-to-generate-custom-id-in-sql/SQLQuery.sql
Views: 5028 Vetrivel D
1Z0-148 Exam Dumps - Pass Your Oracle SQL and PL/SQL 1Z0-148 Exam in First Attempt
 
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How to Resolve Oracle SQL Parent Key Not Found (ORA-02291)
 
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In this video, we’ll explain what the ORA-02291 “parent key not found” error is, see an example, and look at how to resolve it. This error usually happens when we try to insert data into a table. It looks like this: Error is: ORA-02291: integrity constraint (constraint_name) violated - parent key not found So what does this error mean? It means we’re trying to insert data into a child table, and there is no related record in the parent table. If a foreign key has been set up to enforce this relationship, there needs to be a parent to insert a child that refers to it. Watch the video to see an example of this error as well as how to resolve it. For more information on Oracle SQL, refer to the Database Star website here: https://www.databasestar.com/
Views: 2309 Database Star
PL-SQL tutorial 25 - How to use Multiple IF-ELSIF-ELSE
 
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Hi guys today i am going to explain about Selection Control Structure IF-ELSIF-ELSE in PL/SQL how to write a code in condition. Oracle database Unbeatable,Unbreakable Platform..
Views: 270 Oracle World
Is SQL the Best Language for Statistics and Machine Learning
 
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https://developer.oracle.com/code/online | Brendan Tierney: Did you know that Oracle Database comes with more than 300 statistical functions? And most of these statistical functions are available in all versions of Oracle Database? Most people do not seem to know this. When we hear about people performing statistical analytics, we hear them talking about Excel and R, but what if we could do statistical analysis in the database without having to extract any data onto client machines? This presentation explores the various statistical areas available in Oracle Database and gives several demonstrations. We can also greatly expand our statistical capabilities by using Oracle R Enterprise with the embedded capabilities in SQL.
Views: 392 Oracle Developers
how to auto increment varchar in sql server
 
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how to auto increment varchar in sql server
Views: 13800 Kannababu Banna