SQL Course in Canada

Optimize Queries

Create Optimal Indexes

Memory Allocation

Data Defragmentation

List the Capabilities Of Sql Select Statements

Generate a Report Of Data From the Output Of a Basic Select Statement

Use Arithmetic Expressions and Null Values In the Select Statement

Invoke Column Aliases

Concatenation Operator, Literal Character Strings, Alternative Quote Operator, and the

Distinct Keyword

Display the Table Structure Using the Describe Command

Write Queries With a Where Clause to Limit the Output Retrieved

Describe the Comparison Operators and Logical Operators

Describe the Rules Of Precedence For Comparison and Logical Operators

Usage Of Character String Literals In the Where Clause

Write Queries With an Order By Clause

Sort the Output In Descending and Ascending Order

Substitution Variables

List the Differences Between Single Row and Multiple Row Functions

Manipulate Strings Using Character Functions

Manipulate Numbers With the ROUND, TRUNC, and MOD Functions

Perform Arithmetic With Date Data

Manipulate Dates With the DATE Functions

Describe Implicit and Explicit Data Type Conversion

Describe The TO_CHAR, TO_NUMBER, And TO_DATE Conversion Functions

Nesting Multiple Functions

Apply the NVL, NULLIF, and COALESCE Functions to Data

Usage Of Conditional IF THEN ELSE Logic In a SELECT Statement

Usage Of The Aggregation Functions In SELECT Statements To Produce Meaningful

Reports

Describe the AVG, SUM, MIN, and MAX Function

How to Handle Null Values In a Group Function

Divide The Data In Groups By Using The GROUP BY Clause

Exclude Groups Of Date By Using The HAVING Clause

Write SELECT Statements To Access Data From More Than One Table

Join Tables Using SQL:1999 Syntax

View Data That Does Not Meet a Join Condition By Using Outer Joins

Join A Table To Itself By Using a Self-Join

Create Cross Joins

Use a Subquery To Solve a Problem

Single-Row Subqueries

Group Functions In A Subquery

Multiple-Row Subqueries

Use The ANY and ALL Operator In Multiple-Row Subqueries

Use The EXISTS Operator

Describe The SET Operators

Use A SET Operator To Combine Multiple Queries Into a Single Query

Describe The UNION, UNION ALL, INTERSECT, and MINUS Operators

Use The ORDER BY Clause In Set Operations

Add New Rows To a Table

Change The Data In a Table

Use The DELETE and TRUNCATE Statements

How To Save and Discard Changes With The COMMIT and ROLLBACK Statements

Implement Read Consistency

Describe The FOR UPDATE Clause

Categorize Database Objects

Create Tables

Describe The Data Types

Understand Constraints

Create a Table Using A Subquery

How To Alter a Table

How To Drop a Table

Create, Modify, And Retrieve Data From a View

Perform Data Manipulation Language (DML) Operations On a View

How to Drop a View

Create, Use, and Modify a Sequence

Create and Drop Indexes

Create and Drop Synonyms

Default Values for Columns

Virtual Columns

Arithmetic Calculations on NULL Values

Multi table Insert's

Merge the Data

Analytical Functions Introduction

Getting the Cumulative Sum of Sales

Displaying Sales as a Percentage of Total Sales

Ranking your Data

Performing Top N Analysis

Dividing your Data into Bands

LAG and LEAD Function Examples

Analyzing Sales Growth Across Time

Analytical Functions Recap

Row Level Data to Column Level using CASE statement

Row Level Data to Column Level using PIVOT

Row Level Data to Column Level using LISTAGG

Column Level Data to Row Level using UNION

Column Level Data to Row Level using UNPIVOT

Hierarchical Queries Introduction

Connect By Clause

Creating the Hierarchy Tree

Sorting the Hierarchy Tree

CONNECT_BY_ROOT Unary Operator

SYS_CONNECT_BY_PATH Function

CONNECT BY for Number Generation

Regular Expressions Introduction

Meta Characters . and +

Meta Characters and *

Interval Operator to Match the Number of Occurrences

Matching the Characters in a List

Combine Multiple Expressions Using |

Check for an Expression in the Beginning or End of a String

Search for Meta Characters by Placing a Escape Character

Materialized Views Introduction

Materialized Views Creation Options

Materialized Views with ON COMMIT Option

Materialized Views with ON DEMAND Option

Materialized Views with REFRESH FAST Option

Timing the Refresh

Query Rewrite Functionality