Oracle database SQL Essentials

Oracle database SQL Essentials

Duration: 24 Hours

Gain a working knowledge of queries, insert, update, and delete SQL statements as well as some Data Definition language and Data Control Language, the optimizer, tales, views and indexes.

Course Outline

SQL SELECT Statement

• Using Column aliases
• Using The SQL SELECT statement
• Using concatenation operator, literal character strings, alternative quote operator, and the DISTINCT keyword
• Using Arithmetic expressions and NULL values in the SELECT statement

Restricting and Sorting Data

• Applying Rules of precedence for operators in an expression
• Limiting Rows Returned in a SQL Statement
• Using Substitution Variables
• Using the DEFINE and VERIFY commands
• Sorting Data

Single-Row Functions

• Manipulating strings with character functions in SQL SELECT and WHERE clauses
• Performing arithmetic with date data
• Manipulating numbers with the ROUND, TRUNC and MOD functions
• Manipulating dates with the date function

Conversion Functions and Conditional Expressions

• Applying the NVL, NULLIF, and COALESCE functions to data
• Understanding implicit and explicit data type conversion
• Using the TO_CHAR, TO_NUMBER, and TO_DATE conversion functions
• Nesting multiple functions

Group Functions

• Restricting Group Results
• Creating Groups of Data
• Using Group Functions

Joins

• Using Self-joins
• Using Various Types of Joins
• Using Non equijoins
• Using OUTER joins
• Understanding and Using Cartesian Products

Subqueries

• Using Single Row Subqueries
• Using Multiple Row Subqueries
• Update and delete rows using correlated subqueries

SET Operators

• Matching the SELECT statements
• Using the ORDER BY clause in set operations
• Using The INTERSECT operator
• Using The MINUS operator
• Using The UNION and UNION ALL operators

DML statements

• Managing Database Transactions
• Controlling transactions
• Perform Insert, Update and Delete operations
• Performing multi table Inserts
• Performing Merge statements

Indexes, Synonyms and Sequences

• Managing Indexes
• Managing Synonyms
• Managing Sequences

Manage tables and relationships

• Describing and Working with Tables
• Describing and Working with Columns and Data Types
• Creating tables
• Dropping columns and setting column UNUSED
• Truncating tables
• Creating and using Temporary Tables
• Creating and using external tables
• Managing Constraints

Managing Views

• Creating Views
• Updating Views
• Deleting Views

System privileges from object privileges

• Granting privileges on tables
• Distinguishing between granting privileges and roles

Managing Objects with Data Dictionary Views

• Using data dictionary views