'Alter table table' presentation slideshows

CSC 453 Database Systems Lecture

CSC 453 Database Systems Lecture. Tanu Malik College of CDM DePaul University. Last time. Relational Model Relation Relation implementation Populating a table Primary Keys Foreign Keys. Enforcing Integrity Constraints. Enforcing Referential Integrity.

1.06k views • 105 slides

Week 5 September 26

Week 5 September 26. Oracle: Control Files Basic Data Types SQL: Creating and Altering a Table, Imposing Integrity Constraints, DML. SQL Terminology. ISO terminology Relations (entity type) ? Tables Attributes (properties) ? Columns Tuples (entities) ? Rows. column. Row {.

702 views • 70 slides

2. Complete SQL

706 views • 70 slides

Using DDL Statements to Create and Manage Tables

Using DDL Statements to Create and Manage Tables. Objectives. After completing this lesson, you should be able to do the following: Describe the main database objects Create tables Describe the data types that can be used when specifying column definition Alter table definitiond

633 views • 61 slides

SQL: Schema Definition, Basic Constraints, and Queries

Chapter 8. SQL: Schema Definition, Basic Constraints, and Queries. Create database. Syntax: Example: CREATE DATABASE QuanlySach. CREATE DATABASE database_name. Create database. There are a number of optional arguments that you can supply with the CREATE DATABASE command: Logic name

752 views • 58 slides

Introduction to SQL

Introduction to SQL. *Objectives. *Definition of terms *Interpret history and role of SQL *Define a database using SQL data definition language Write single table queries using SQL Establish referential integrity using SQL Discuss SQL:1999 and SQL:2003 standards. *SQL Overview.

1.3k views • 58 slides

Lecture 9 : SQL-Based Database Table Creation

Lecture 9 : SQL-Based Database Table Creation. November 14 th. Reminder: Querying Tables using SQL. Retrieving data Ordering query results Limiting query results Grouping query results. Write the SQL Code for this Query. Write the SQL Code for this Query.

436 views • 34 slides

DB2 Version 8 for z/OS On-Line Schema Evolution

DB2 Version 8 for z/OS On-Line Schema Evolution. Phil Grainger Computer Associates. Agenda. What is On-Line Schema Evolution? What can you ALTER? How does it work? What is not yet supported? Discussion. Disclaimer.

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Structured Query Language

236 views • 14 slides