'Clause specifies' diaporamas de présentation

Structure Query Language (SQL)

Chapter 6. Structure Query Language (SQL). Instructor: Churee Techawut. CS (204)321 Database System I. Outlines. 1) SQL Definition 2) Data Definition Language (DDL) 3) Data Manipulation Language (DML) 4) Retrieval Command 5) JOIN Relations 6) Aggregate Functions

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Data Definition, Constraints, and Schema Changes

Data Definition, Constraints, and Schema Changes. Used in SQL to Create, Drop, and Alter the descriptions of the tables (relations) of a database Note: For MySQL syntax, see pp. 572-581 in Gilmore. Create Table - 1.

755 views • 68 slides

Best Practices Transact-SQL Cont...

Best Practices Transact-SQL Cont. Combining Data from Multiple Tables. Introduction to Joins Using Inner Joins Using Outer Joins Using Cross Joins Joining More Than Two Tables Joining a Table to Itself. Introduction to Joins. Selects Specific Columns from Multiple Tables

838 views • 54 slides

Politecnico di Milano Advanced Topics in Software Engineering

Politecnico di Milano Advanced Topics in Software Engineering. JML in a Nutshell. Domenico Bianculli & Alessandro Monguzzi. {bianculli, alessandro.monguzzi}@gmail.com. June 16th, 2005. Rev. 1.3. Outline. What is JML? Syntax Specification cases Advanced topics Running example Tools

604 views • 47 slides

Database Modelling

Database Modelling. Lecture 8 (a): Database Programming & Introduction to PL/SQL. Learning Objectives. To show the need for database programming To introduce programming with stored procedures using PL/SQL. Suggested Reading.

583 views • 37 slides

Exceptions

Exceptions. General mechanism for handling abnormal conditions Predefined exceptions : constraint violations, I/O errors, communication errors, other illegalities User-defined exceptions for robust abstractions

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Exceptions

Exceptions. General mechanism for handling abnormal conditions Predefined exceptions : constraint violations, I/O errors, communication errors, other illegalities User-defined exceptions for robust abstractions

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Unary Query Processing Operators

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Displaying Data from Multiple Tables

Displaying Data from Multiple Tables. Obtaining Data from Multiple Tables. EMP. DEPT. EMPNO ENAME ... DEPTNO ------ ----- ... ------ 7839 KING ... 10 7698 BLAKE ... 30 ... 7934 MILLER ... 10. DEPTNO DNAME LOC ------ ---------- --------

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Database Management

269 views • 14 slides