SQL: Advanced Querying

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Course Length

• 1 day

Objectives

• use subqueries to generate query output.
• manipulate table data by inserting and updating records in a table and deleting records from a table.
• manipulate the table structure.
• create views, manipulate data through views, modify the view structure, and drop views.
• create indices on table columns and drop inefficient indices.
• mark the beginning of a transaction, create a savepoint within a transaction, rollback a transaction, and commit a transaction.

Prerequisites

• SQL: Fundamentals of Querying or equivalent skills and knowledge.

Content

Using Subqueries to Perform Advanced Querying

• Search Based on Unknown Values
• Compare a Value with Unknown Values
• Search Based on the Existence of Records
• Generate Output Using Correlated Subqueries
• Filter Grouped Data Within Subqueries
• Perform Multiple-Level Subqueries

Manipulating Table Data

• Insert Data
• Modify and Delete Data

Manipulating the Table Structure

• Create a Table
• Create a Table with Constraints
• Add and Drop Table Columns
• Add and Drop Constraints
• Modify the Column Definition
• Back Up Tables
• Delete Tables

Working with Views

• Create a View
• Manipulate Data in Views
• Create Aliases
• Modify and Drop Views

Indexing Data

• Create Indices
• Drop Indices

Managing Transactions

• Create Transactions
• Commit Transactions