'Create unique index index' presentation slideshows

SQL

SQL. LEC-8. Indexes. The CREATE INDEX statement is used to create indexes in tables. Indexes allow the database application to find data fast; without reading the whole table. An index can be created in a table to find data more quickly and efficiently.

839 views • 83 slides

BACS 485

BACS 485. Structured Query Language. Table Access. 2 general mechanisms to access data in tables exists: Record-at-a-time access Traditional programming languages Set-at-a-time access SQL, QBE, Both methods can accomplish the same thing, but set-at-a-time is usually more efficient.

660 views • 56 slides

Database Management Fall 2003 SQL Chapter 10

Database Management Fall 2003 SQL Chapter 10. Structured Query Language Declaritive language vs. procedural Three types of SQL statements Data Manipulation Language (DML) SELECT, INSERT, UPDATE, DELETE Data Definition Language (DDL) CREATE/ALTER/DROP TABLE, VIEW, INDEX

504 views • 41 slides

Ch 7 Continued

424 views • 32 slides