SQL 语句快速参考 AND / OR SELECT column_name(s) FROM table_name WHERE condition AND|OR condition ALTER TABLE (add column) ALTER TABLE table_name ADD column_name datatype ALTER TABLE (drop column) ALTER TABLE table_name DROP COLUMN column_name AS (alias fo
PART I – 概览.........................................................................................................................11 第 1章 – DB2 Express-C是什么?..........................................................................................