正在加载图片...
SQL Basics The SQL language varies across implementations but we will look at some shared concepts. A SELECT statement creates a new table,either from scratch or by taking information from an existing table .A CREATE TABLE statement gives a global name to a table. Lots of other statements exist:DELETE,INSERT,UPDATE etc... Most of the important action is in the SELECT statement. Full credit to John Today's theme: DeNero for the examples in today's lectureSQL Basics The SQL language varies across implementations but we will look at some shared concepts. ● A SELECT statement creates a new table, either from scratch or by taking information from an existing table ● A CREATE TABLE statement gives a global name to a table. ● Lots of other statements exist: DELETE, INSERT, UPDATE etc… ● Most of the important action is in the SELECT statement. Today’s theme: Full credit to John DeNero for the examples in today’s lecture
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有