Naslovnica
Oracle Database: SQL Workshop II
This Oracle Database: SQL Workshop II helps you enhance your skills as an Application developer by learning how to manage the database objects, data dictionary views and multicolumn subqueries.
This Oracle Database: SQL Workshop II helps you manage the database objects, data dictionary views and multicolumn subqueries. Learn to write more efficient queries using the functions supporting the timezone and regular expressions.
Što ćete naučiti
- Grant and revoke privileges and roles.
- Manage schema objects and data dictionary views.
- Write efficient and complex subqueries.
- Use the in-built functions supporting the usage of regular expressions and time zone.
Kome je namijenjeno
- Developer
- Implementer
- Systems Administrator
Preduvjeti
- Familiarity with SQL Developer, SQL*Plus
- Basic Knowledge of SQL
Nastavni plan
Pregledaj
Introduction
- Course Objectives, Course Agenda and Appendixes Used in this Course
- Provide an insight of the development environments
- Tables used in the Course
- Review of the SQL Concepts
Introduction to Data Dictionary Views
- Introduction to Data Dictionary
- Describe the Data Dictionary Structure
- Using the Data Dictionary Views
- Querying the Data Dictionary Views
Creating Sequences, Synonyms, Indexes
- Overview of sequences
- Overview of synonyms
- Overview of indexes
Creating Views
- Overview of views
Managing Schema Objects
- Managing constraints
- Creating and using temporary tables
- Creating and using external tables
Retrieving Data by Using Subqueries
- Retrieving Data by Using a Subquery as Source
- Working with Multiple-Column subqueries
- Using Scalar subqueries in SQL
- Correlated Subqueries
- Working with the WITH clause
Manipulating Data by Using Subqueries
- Using Subqueries to Manipulate Data
- Inserting by Using a Subquery as a Target
- Using the WITH CHECK OPTION Keyword on DML Statements
- Using Correlated Subqueries to Update and Delete rows
Controlling User Access
- System privileges
- Creating a role
- Object privileges
- Revoking object privileges
Manipulating Data
- Overview of the Explicit Default Feature
- Using multitable INSERTs
- Using the MERGE statement
- Performing flashback operations
- Tracking Changes in Data
Managing Data in Different Time Zones
- Working with CURRENT_DATE, CURRENT_TIMESTAMP,and LOCALTIMESTAMP
- Working with INTERVAL data types
- Using Datetime functions in queries