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Session-Private Statistics for Global Temporary Tables (GTTs) in Oracle 12c
 
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This video the session-private statistics functionality for Global Temporary Tables (GTTs) in Oracle 12c. For more information see: https://oracle-base.com/articles/12c/session-private-statistics-for-global-temporary-tables-12cr1 Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Enrique Aviles Twitter: https://twitter.com/eaviles94 Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 751 ORACLE-BASE.com
How to Monitor Session in SQL Developer | Oracle SQL Developer Tips and Tricks
 
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How to Monitor Session in Oracle SQL Developer | Oracle SQL Developer Tips and Tricks Oracle SQL Tutorial for Beginners, Oracle Database Tutorial for Beginners, Oracle SQL Developer Tips and Tricks, Oracle Tutorial for Beginners, Oracle Tutorial How to Monitor Session in SQL Developer, How to Monitor Session Using SQL Developer, How to Monitor Session in Oracle SQL Developer, How to Monitor Session Using Oracle SQL Developer, how to check number of connections in oracle, how to check active sessions in oracle, oracle sql developer real time sql monitoring, how to check active session in oracle 11g, sql developer monitor sessions table or view does not exist oracle monitor sql statements how to check query performance in oracle sql developer
Views: 293 Oracle PL/SQL World
Oracle Database Backup and Recovery Session 1
 
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https://dbagenesis.com/p/oracle-advanced-rman-backup-recovery DBA Genesis provides all you need to build and manage effective Oracle technology learning. We designed DBA Genesis as a simple to use yet powerful online Oracle learning system for students. Each of our courses is taught by an expert instructor, and every course is available on demand. MASTER AND LEARN - Backup and Recovery Overview - Cold Database Backup - Hot Database Backup - Manual Database Recovery
Views: 150380 DBA Genesis
Session 3 Oracle Goldengate DML Replication
 
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Oracle Goldengate Training_DML Replication
Views: 7942 Ashish Agarwal
Oracle R12 Payroll Session 1
 
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Oracle R12 Payroll Session 1 Please subscribe
Oracle SQL 4th Session
 
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create table invoice_mst ( id varchar(250) not null primary key, client_id int, create_time date, create_user int, update_user int, update_time date, foreign key (client_id) references clients(id) ); alter table tbl_student add CONSTRAINT fk_tbl_student_dept_id foreign key(dept_id) references tbl_department(id); insert into tbl_department(id, name) values(1,'CSE'); insert into tbl_department(id, name) values(2,'ETE'); insert into tbl_department(id, name) values(3,'EEE'); insert into tbl_department(id, name) values(4,'ICE'); INSERT INTO TBL_STUDENT (ID, F_NAME, DEPT_ID) VALUES(1,'A',10) DELETE FROM "SOFTSMAKER"."TBL_DEPARTMENT" WHERE ROWID = 'AAAV4JAAEAAAPyfAAB' AND ORA_ROWSCN = '8349523' and ( "ID" is null or "ID" is not null ) ORA-02292: integrity constraint (SOFTSMAKER.FK_TBL_STUDENT_DEPT_ID) violated - child record found
Views: 9 Little Legend
Python and Oracle Database on the Table
 
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Christopher Jones, Senior Principal Product Manager, Oracle Anthony Tuininga, Software Developer 5, Oracle Python is hot and desirable. The cx_Oracle API for Oracle Database adds spice that hotness. In this session see how cx_Oracle can be used to build functional, high-performance Python apps that make the best use of database functionality and resources. The cx_Oracle interface is arguably the most popular way of accessing Oracle Database. This session shows how to use its features in the best possible way.
Views: 412 Oracle Developers
Session 1 : Oracle E-Business Suite  (Oracle Apps) - Technical
 
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Basic Overview of Oracle E-Business Suite Technical Please check this latest one : https://youtu.be/gWPmW9mFjzs
Views: 42151 Lead Technologies
Session Sequences in Oracle 12c
 
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This video shows the performacne improvements associated with session sequences in Oracle 12c. For more information see: https://oracle-base.com/articles/12c/session-sequences-12cr1 Website: https://oracle-base.com Blog: https://oracle-base.com/blog Twitter: https://twitter.com/oraclebase Cameo by Peter Scott Blog: https://dwpetetechnical.wordpress.com/ Twitter: https://twitter.com/dw_pete Cameo appearances are for fun, not an endorsement of the content of this video.
Views: 699 ORACLE-BASE.com
LKM - File to Oracle(External table) - ODI - Oracle Data Integrator Tutorial - Session - 13
 
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In this session you will learn about Loading Knowledge Module(LKM) - File to Oracle (External table)
Views: 2592 Trending Courses
Oracle 12C Session Sequence
 
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oracle 12c new features Oracle 12C Session sequence example oracle 12c new features for developers
Views: 92 Siva Academy
Best way to kill an Oracle Database session.
 
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Best way to kill an Oracle database session. Music: https://www.bensound.com
Views: 79 ORA-600
Session 4 :  Oracle Apps Technical Online Classes
 
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XML Publisher Master Child Report Oracle PL/SQL Concurrent Program
Views: 10067 Lead Technologies
Oracle SQL First Session
 
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Structured Query Language(SQL) as we all know is the database language by the use of which we can perform certain operations on the existing database and also we can use this language to create a database. SQL uses certain commands like Create, Drop, Insert etc. to carry out the required tasks. These SQL commands are mainly categorized into four categories as discussed below: 1. DDL(Data Definition Language) : DDL or Data Definition Language actually consists of the SQL commands that can be used to define the database schema. It simply deals with descriptions of the database schema and is used to create and modify the structure of database objects in database. Examples of DDL commands:  CREATE – is used to create the database or its objects (like table, index, function, views, store procedure and triggers).  DROP – is used to delete objects from the database.  ALTER-is used to alter the structure of the database.  TRUNCATE–is used to remove all records from a table, including all spaces allocated for the records are removed.  COMMENT –is used to add comments to the data dictionary.  RENAME –is used to rename an object existing in the database. 2. DML(Data Manipulation Language) : The SQL commands that deals with the manipulation of data present in database belong to DML or Data Manipulation Language and this includes most of the SQL statements. Examples of DML:  SELECT – is used to retrieve data from the a database.  INSERT – is used to insert data into a table.  UPDATE – is used to update existing data within a table.  DELETE – is used to delete records from a database table. 3. DCL(Data Control Language) : DCL includes commands such as GRANT and REVOKE which mainly deals with the rights, permissions and other controls of the database system. Examples of DCL commands:  GRANT-gives user’s access privileges to database.  REVOKE-withdraw user’s access privileges given by using the GRANT command. 4. TCL(transaction Control Language) : TCL commands deals with the transaction within the database. Examples of TCL commands:  COMMIT– commits a Transaction.  ROLLBACK– rollbacks a transaction in case of any error occurs.  SAVEPOINT–sets a savepoint within a transaction.  SET TRANSACTION–specify characteristics for the transaction.
Views: 57 Little Legend
Oracle 18c New Feature Focus - Private Temporary Tables
 
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Oracle 18c brings us Private Temporary Tables. A Private Temporary Table is stored in memory and is visible only to the session that created it and is dropped at the end of the session or transaction depending on the setup. In this webinar OCP DBA John Mullins will cover the creation and management of Private Temporary Tables along with their benefits and restrictions. In addition, Private Temporary Tables will be compared to Global Temporary Tables. Get the slides from this and other webinars at: https://www.themisinc.com/webinars
Views: 92 Themis Education
Oracle 11G SQL Session 1 Introduction to Oracle SQL
 
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Oracle 11G SQL Session 1 Introduction to Oracle SQL. To Learn or Teach Linux visit www.theskillpedia.com, A Marketplace for Learners and Trainers. Oracle 11G SQL: Session 1 Introduction Oracle Database 11g: Focus Areas Relational and Object Relational Database Management Systems Data Storage on Different Media Definition of a Relational Database Data Models Relating Multiple Tables Each row of data in a table is uniquely identified by a primary key. You can logically relate data from multiple tables using foreign keys. Relational Database Terminology Using SQL to Query Your Database SQL Statements SELECT INSERT UPDATE DELETE MERGE CREATE ALTER DROP RENAME TRUNCATE COMMENT GRANT REVOKE COMMIT ROLLBACK SAVEPOINT Development Environments for SQL There are two development environments for this course: The primary tool is Oracle SQL Developer. SQL*Plus command-line interface can also be used. Human Resources (HR) Schema Tables Used in the Course Thank You Visit www.theskillpedia.com to Learn or Teach a Skill
Views: 1368 TheSkillPedia
Oracle SQL Tutorial For Beginners | Oracle SQL Online Training - Session 1
 
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Course : Oracle SQL Online Training Mode of Training : Online Duration : 40 Hours Timings : Flexible Oracle SQL Online Training Demo Registration Link : http://svsoftsolutions.com/demo.aspx Introduction to SQL What is SQL? What Can SQL do? RDBMS SQL Syntax Database Tables SQL Statements Overview of Most Important SQL Commands SELECT UPDATE DELETE INSERT CREATE TABLE ALTER TABLE DROP TABLE CREATE INDEX DROP INDEX SQL SELECT Statement SELECT syntax Demo Database SELECT Column Example SELECT * Example SQL Distinct SELECT DISTINCT Statement SELECT DISTINCT Syntax SELECT DISTINCT Example SQL WHERE Clause WHERE Clause WHERE Clause Example Operators in the WHERE Clause SQL AND & OR Operators AND Operator Example OR Operator Example Combining AND & OR SQL ORDER BY ORDER BY Syntax ORDER BY Example ORDER BY DESC Example ORDER BY Several Column Examples SQL Insert Into INSERT INTO Syntax INSERT INTO Examples Insert Data into Specified Columns SQL UPDATE UPDATE Syntax UPDATE Example Watch out UPDATE statement. SQL DELETE DELETE Syntax DELETE Examples Delete All the Data SQL Aliases SQL Alias Syntax for Columns Alias Example for Table Columns Alias Example for Tables. SQL Joins Different SQL JOINs INNER JOIN LEFT OUTER JOIN RIGHT OUTER JOIN FULL OUTER JOIN SQL UNION UNION Syntax UNION Example UNION ALL Syntax UNION ALL Example SQL Insert Into Select INSERT INTO SELECT Syntax INSERT INTO SELECT Examples SQL Create Table CREATE TABLE Syntax CREATE TABLE Example SQL Constraints CREATE TABLE + CONSTRAINT Syntax NOT NULL Constraint UNIQUE Constraint UNIQUE Constraint on CREATE TABLE UNIQUE Constraint on ALTER TABLE To DROP a UNIQUE Constraint PRIMARY KEY Constraint PRIMARY KEY Constraint on CREATE TABLE PRIMARY KEY Constraint on ALTER TABLE To DROP a PRIMARY KEY Constraint FOREIGN KEY Constraint FOREIGN KEY Constraint on CREATE TABLE FOREIGN KEY Constraint on ALTER TABLE To DROP a FOREIGN KEY Constraint CHECK Constraint CHECK Constraint on CREATE TABLE CHECK Constraint on ALTER TABLE To DROP a CHECK Constraint DEFAULT Constraint on CREATE TABLE DEFAULT Constraint on ALTER TABLE To DROP a DEFAULT Constraint SQL Create Index CREATE INDEX Syntax CREATE UNIQUE INDEX Syntax CREATE INDEX Example SQL DROP Command The DROP INDEX Statement The DROP TABLE Statement The DROP DATABASE Statement The TRUNCATE TABLE Statement SQL ALTER Command The ALTER TABLE Statement ALTER TABLE Example Change Data Type Example DROP COLUMN Example SQL VIEWS CREATE VIEW Statement CREATE VIEW Syntax CREATE VIEW Examples CREATE OR REPLACE VIEW Syntax Dropping a View SQL NULL Values Working with NULL Values IS NULL IS NOT NULL SQL NULL Functions NVL COALESCE For more details visit our website : www.svsoftsolutions.com Or reach us @ USA : +1-845-915-8712 (Toll Free), India : +91-9642373173
Views: 1437 SV Soft Solutions
Oracle Statement level Triggers Creating Audit Triggers Session 2
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 600 Sridhar Raghavan
Session 1 - PL/SQL Integration with Oracle ADF
 
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ADF Talk about PL/SQL Integration with Oracle ADF
Views: 5680 ADFTalk
CREATING SCOTT SCHEMA IN ORACLE 12C FOR FUTURE SESSIONS
 
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In this video lecture you will see how to create scott schema in oracle, and we will use this schema along with emp and dept table for our future sessions. PFB command to execute sql file in batch script @ECHO ON ECHO Checking Oracle... sqlplus -s dwbiadda_videos/[email protected] @C:\app\dwbiadda\product\12.2.0\dbhome_1\rdbms\admin\scott.sql
Views: 40 DWBIADDA VIDEOS
Oracle Database Backup and Recovery Session 2
 
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https://dbagenesis.com/p/oracle-advanced-rman-backup-recovery DBA Genesis provides all you need to build and manage effective Oracle technology learning. We designed DBA Genesis as a simple to use yet powerful online Oracle learning system for students. Each of our courses is taught by an expert instructor, and every course is available on demand. MASTER AND LEARN: - Introduction to RMAN - Configuring RMAN - Database Backup using RMAN - RMAN Database Recovery
Views: 53429 DBA Genesis
Importing Data or Tables into ODI - ODI - Oracle Data Integrator Tutorial - Session - 4
 
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In this session you will see about Importing Data or Tables into ODI
Views: 12148 Trending Courses
Oracle || Oracle Session-6 by Dinesh
 
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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......
Oracle || Oracle Session-3 by Dinesh
 
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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......
Oracle || Oracle Session-4 by Dinesh
 
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Oracle DBA Justin - How to put an Oracle database in restricted session mode
 
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How to put an Oracle database in restricted session mode
Views: 2536 jbleistein11
Oracle Locks Part2  Killing a User Session
 
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Oracle Locks Part 2- Killing a User session- Neway IT Solutions
Oracle 11g Performance Tuning Demo Session
 
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More Oracle DBA Courses: https://oraclegenesis.com/ Online trainings: https://oraclegenesis.com/video-courses/ Fly me a trainer: https://oraclegenesis.com/fly-me-a-trainer/ DBA Knowledgebase: https://oraclegenesis.com/dba-knowledgebase/ ORACLEGENESIS provides all you need to build and manage effective Oracle technology learning. We designed ORACLEGENESIS as a simple to use yet powerful online Oracle learning system for students. Each of our courses is taught by an expert instructor, and every course is available on demand.
Views: 82049 DBA Genesis
Oracle || Oracle Session-5 by Dinesh
 
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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......
Oracle || Oracle Session-7 by Dinesh
 
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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......
What is CTE ( Common table expression) in SQL Server ( Doubt solving sessions)?
 
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Views: 46030 Questpond
Piramal Oracle HCM Technical Session 03102016 HD
 
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Oracle HCM Technical Session for Piramal
Views: 2992 Mohit Gupta
Session Expiry Time out and oracle apps color
 
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Hi Every one, welcome back to meet business analyst channel. Today here i am sharing a video on session expiry and Java color scheme
Views: 224 MeetBusinessAnalyst
Oracle   joins Part -1 by dinesh
 
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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............
Oracle Performance Tuning Online Training | Demo Session | GangBoard
 
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Gangboard Offers Best Oracle Performance Tuning training with Placement Assistance. Our Trainers will Teach you the Real time Scenarios. For More Details Visit: https://www.gangboard.com/database-training/oracle-performance-tuning-training
Views: 745 GangBoard
Oracle Row level Triggers Example Programs Session 5
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 564 Sridhar Raghavan
Demo Session on Oracle By Suman
 
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• INTRODUCTION to ORACLE • Exploring the Oracle Database Architecture • Installing your Oracle Software • Creating an Oracle Database • Managing the Database Instance • Managing Database Storage Structures • Administering User Security • Managing Data Concurrency • Managing Undo Data • Configuring the Oracle Network Environment • Backup and Recovery Concepts • Use of RMAN Recovery Catalog & Configuring Backup Settings • Performing Database Backups with RMAN • Performing Database Recovery • Moving Data ( Expdp, Impdp, Sqlloader & External tables ) • Using Flashback Technology I • Using Flashback Technology II • Implementing Oracle Database Auditing • Database Maintenance ( ADR, AWR, ADDM... ) • Performance Management ( Memory, Instance ... ) • Managing Performance by SQL Tuning • Diagnosing the Database • Managing Space • Managing Space for the Database • Configuring & Managing ASM Instance • Duplicating a Database / Cloning Database • Data Guard Concepts & Administration • Database Patches & Database Upgrades • Introduction to Real Application Clusters ( RAC )
Views: 156 Linga Infotech
Oracle || Oracle Session-8 by Dinesh
 
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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......
Session-3 : How to setup up Client Server Application in Oracle Technology
 
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Click : http://bit.ly/2ANmxe6 to get Oracle SQL Tutorial Bangla. Search Terms:- oracle 11g tutorial free download oracle sql tutorial oracle 10g tutorial oracle form builder tutorial oracle forms 10g tutorial oracle 10g tutorial for beginners oracle database 10g tutorial sql oracle oracle for beginners oracle 10g tutorial oracle tutorials for beginners oracle dba tutorial for beginners pdf oracle forms developer tutorial toad for oracle tutorial oracle fusion middleware tutorial oracle forms 6i tutorial oracle sql tutorial oracle 11g tutorial oracle tutorial pdf free download oracle dba tutorial for beginners oracle application express tutorial oracle tutorial for beginners oracle database tutorial oracle apex tutorial oracle sql tutorial sql tutorial oracle 11g tutorial oracle 10g tutorial oracle dba tutorial oracle tutorial for beginners Oracle Apex Tutorial Bangla Oracle Apex Tutorial Videos In Bangla Oracle Apex Training Tags: oracle video tutorial free download,oracle applications tutorial,Oracle 11g tutorial free download,oracle sql tutorial,oracle 10g tutorial,oracle form builder tutorial,oracle forms 10g tutorial,oracle 10g tutorial for beginners,oracle database 10g tutorial,sql oracle,oracle for beginners,oracle tutorials for beginners,Oracle Apex,Oracle Apex Training,Oracle Apex Tutorial,
Views: 235 TrainerBD .com
Oracle APEX Architecture - Session 4 - What is an APEX Application?
 
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Visit http://skillbuilders.com/Oracle-APEX-Free-Tutorials?id=89&w=Oracle-APEX-Administration-Listener to view all free sessions in this tutorial. APEX is "just" a PL/SQL application that generate HTML pages. But, there's more! In this free SkillBuilders tutorial, Oracle Certified Master John Watson will explain and demonstrate how PL/SQL procedures are invoked through a web listener (GET and POST methods) and how the web listener "talks" to the database. How APEX started as supplied packages (HTP, HTF, OWA_UTIL, OWA_COOKIE, etc.) and now is an robust set of wizards that do much of the hard work for you. Session 4 of 7 in SkillBuilders tutorial "Oracle APEX Architecture, Listening Options and Deployment". View all seven modules, free, at www.SkillBuilders.com/ApexListenerTutorial
Views: 2133 SkillBuilders
Oracle developer 11g Session 1
 
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Support my fan Please https://www.facebook.com/Learnoraclewithward Very Important choose Settings and choose Quality 720 HD To Watch High Quality and when Download also To have Good Quality More video about Oracle developer Please join Facebook fan Learn Oracle with Ward Oracle Please add Like to share with your friends Direct Link https://www.facebook.com/pages/Learn-Oracle-With-Ward/261884427295734 Thanks Ahmed Ward
Views: 38908 Ahmed Ward
Oracle developer 11g Session 2
 
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Support my fan Please https://www.facebook.com/Learnoraclewithward Very Important choose Settings and choose Quality 720p HD To Watch High Quality , Download also High Quality
Views: 6194 Ahmed Ward
LKM - File to Oracle (SQLLDR) - ODI - Oracle Data Integrator Tutorial - Session - 14
 
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In this session you will learn about Loading Knowledge Module(LKM) - File to Oracle (SQLLDR)
Views: 2602 Trending Courses
Multiple Targets - Split Component - ODI - Oracle Data Integrator Tutorial - Session - 11
 
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In this video you will learn about Multiple Targets and Split Component
Views: 3813 Trending Courses
Watch Oracle DB Session Activity With My Real-Time Session Sampler
 
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Watch Oracle DB Session Activity With My Real-Time Session Sampler For details about this tool, I created a special posting in my blog, A Wider View. Have a look! http://blog.orapub.com/20140811/Watch-Oracle-DB-Session-Activity-With-The-Real-Time-Session-Sampler.html The rss.sql tool is included in the OraPub System Monitor (OSM) toolkit (v13j), which can be downloaded http://resources.orapub.com/OSM_OraPub_System_Monitor_p/osm.htm Watching session activity is a great way to diagnose and learn about Oracle Database tuning. There are many approaches to this. I wanted something simple, useful and modifiable. I wanted no Oracle licensing issues. And, I wanted something I could give away. The result is what I call the Oracle Real-Time Session Sampler (OSM: rss.sql). The tool is simple to use. Based on a number of filtering command line inputs, it repeatedly samples active Oracle sessions and writes the output to a file in /tmp. You can do a "tail -f" on the file to watch session activity in real time!
Views: 670 OraPub, Inc.
Oracle Row Level Triggers follows clause Session 8
 
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Oracle SQL PLSQL and Unix Shell Scripting
Views: 379 Sridhar Raghavan
Oracle 18c Cancel SQL Instead of Killing Session
 
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Oracle 18c New Features-www.oracledbwr.com
Views: 71 Hari Prasath
Oracle 12c PL/SQL Security New Features - Session 6 of 8 - Granting Roles to Procedures
 
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See www.skillbuilders.com/12c-plsql-security for all free modules in this tutorial. It is now in Oracle Database 12c possible to grant roles to the stored program units. Remember this didn't apply to anonymous PL/SQL. Anonymous PL/SQL as always executed with the enabled roles of the invoker. But we can now grant role to a stored procedure. There are a couple of conditions. The role granted must be directly granted to the owner. I'm not sure if this is documented or not or it could've been issues I had during my own testing but certainly the last time I tested this thoroughly I found that if I granted roles to roles to roles to roles as I go down to three, it no longer functions. So that could've been just me or it may be documented. But certainly to be sure, the role granted must be granted directly to the person who's writing the code. Also and it is documented, the owner still needs direct privileges on the object that the code references. That make perfect sense because the role might be disabled at the time that he happens to be creating the object. So you need the role, you need direct privileges on the object referenced by the code. [pause] The invoker however needs absolutely nothing. The invoker now needs nothing, no roles, no privileges. All he needs is execute on the procedure. The invoker will then take on that role during the course of the call. This will tighten up the definer's rights problem and that our user doesn't have much at all. He needs the bare minimum and then only that role will be available, only the role is available to the invoker during the call. Not everything else that the owner happens to have. You can combine this as well with invoker's rights and either way we are controlling privilege inheritance. Invoker's rights plus roles restrict the ability of definer's to inherit privileges from invokers and invokers inherits privileges from definers, both of which raise that ghastly possibility of privilege escalation associated typically to SQL injection. [pause] Grant create session, create procedure to dev, and that will give him select on scott.emp to dev. I've given dev the minimum he needs to write code that hits that table. Then create a role. [pause] Create role r1 and that'll grant select on scott.emp to r1. Finally, grant r1 to dev. It has met the requirements. The role is granted to the owner, the owner does have direct privileges. [pause] So connect as dev/dev and create my favorite procedure. [pause] The same procedure has executed definer's rights and query scott.emp. But now what we can do this new is I can grant r1 to procedure list_emp. [pause] I'll create a very low privileged user now. I need to connect as sysdba and create user low identified by low, and all I shall give him is create session. [pause] And execute on that procedure. [pause] Grant execute on dev.list_emp to low. That's all he's got. He can log on and he can run, run one procedure. What actually is going to happen to him? Let me try to log on. Connect sys low/low set server output on and see if he can run that thing. Just to check, if he tries to select star from scott.emp he is the lowest of the low is my user low. But then execute dev.list_emp, trying to retrieve the CLARKs and it works. And because my user low has virtually no privileges at all, there's no possible danger of the malicious developer being able to inherit dangerous privileges from him. [pause] The final step, that functioned because of the privilege that I mentioned earlier - the privilege that we saw on the previous slide which was inheriting privileges. If I revoke that - and this is what you should be doing in all your systems after upgrade - revoke inherit privileges on user low from public, connect there, and it fails. So the final bit of tightening up the security is to grant the privilege specifically we grant inherit privileges on user low to dev. Now we have a totally secure system and that my low privilege user dev can do that. [pause] And nothing more. My low privileged developer dev can't grab anything in his too as well. That tightens things up totally.
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