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A Guide to SQL, Eighth Edition

A Guide to SQL, Eighth Edition. Chapter Four Single-Table Queries. Objectives. Retrieve data from a database using SQL commands Use simple and compound conditions in queries Use the BETWEEN, LIKE, and IN operators in queries Use computed columns in queries. Objectives (continued).

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Session 3: SQL (B): Parts 3 & 4

Session 3: SQL (B): Parts 3 & 4. Original materials supplied by the Oracle Academic Initiative (OAI). Edited for classroom use by Professor Laku Chidambaram. Not for commercial use. Do not redistribute. Using JOINs. Types of Joins. Equijoin. Non-equijoin. Outer join. Self join.

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SQL Group Functions

SQL Group Functions. Chapter Objectives. Differentiate between single-row and multiple-row functions Use the SUM and AVG functions for numeric calculations Use the COUNT function to return the number of records containing non-NULL values Use COUNT(*) to include records containing NULL values.

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SQL Group Functions

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Group by clause - PowerPoint PPT Presentation

A Guide to SQL, Eighth Edition

Session 3: SQL (B): Parts 3 &amp; 4

SQL Group Functions

SQL Group Functions

Session 3: SQL (B): Parts 3 & 4