select a from table的意思|示意
从表中选择一个
select a from table的网络常见释义
我想把 sql语句里有没有类似for一样的循环语句,我想把(select a from table) select出来的多个值循环赋值给一个变量 @a,因为在后面的计算我要用到@a这个变量
select a from table相关例句
The IBM data Movement Tool produces a table name.tables file that states which data to extract from the source database by specifying a SELECT query per database table.
IBM Data Movement Tool会生成一个表名。tables文件,其中为每一个数据库表指定一条select语句,从而指明了需要从源数据库提取哪些数据。
The from component of a SELECT statement indicates from which table (or multiple tables) the data will be extracted.
select语句的FROM组件指明将从哪个表(或多个表)中提取数据。
Choose HPL query to enter a select query to fetch rows from the table to unload.
选择HPL query输入选择查询,以从要卸载的表中提取行。
A datagrid gets its initial data from its contents: a table, select, or other group of HTML elements.
datagrid从它的内容(一个table、select或其他html元素)获得初始数据。
Select a source from the results shown in the resources table.
从结果表中选择一个作为同步源。
All that DB2 does is to allow an UPDATE, DELETE, and INSERT to appear in the from clause of a select and allow the user to chose which transition table shall be selected from.
DB 2所做的就是允许UPDATE、DELETE和INSERT出现在选择语句的from子句中,并允许用户选择应该从哪个过渡表进行选择。