文件名称：显示表结构-SQL语言基础
文件大小：5.26MB
文件格式：PPT
更新时间：2024-05-15 13:24:48
SQL 基础
显示表结构 * DESC[RIBE] tablename 用 SQL*Plus的 DESCRIBE 命令来展示表的结构. * Displaying Table Structure In SQL*Plus, you can display the structure of a table using the DESCRIBE command. The result of the command is to see the column names and datatypes as well as whether a column must contain data. In the syntax: tablename is the name of any existing table, view, or synonym accessible to the user