One of my tests used a query to select records into a temp table and then a second query to further refine the results from the temp tables.
我的一个测试中使用了一个查询,该查询将一些记录挑选出来放入一个临时表中,然后另一个查询将进一步筛选临时表中的结果。
Where; you select the columns of interest from rows in a table or tables where certain conditions are satisfied.
您可以从一个或多个表的行中选择您感兴趣的满足特定条件的列。
Now, when the same query is run, the native SQL that is generated is a single select statement joining the two tables from the different catalogs at the database tier as shown in Illustration 10.
现在,当同一个查询运行时,生成的原生sQL是单个选择语句,在语句在数据库层联接来自不同目录的两个表,如图10所示。
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。
When you select a set of data from a table or tables in a database, the returned data is known as a cursor.
当您通过数据库的一个或多个表选择一组数据时,返回的数据也称为游标。
The select button provided beside Name will show a list of database objects, in this case a list of tables from the selected database.
Name旁边提供的Select按钮将显示数据库对象的列表,在本例中为来自所选数据库的表列表。
The data accessed through a view is actually constructed using standard T-SQL select command and can come from one to many different base tables or even other views.
通过视图存取的数据,实际上是通过标准的T -SQL查询命令构成的,而且可以来自许多不同的基础表,甚至其他视图。
How to select a column from one table and two columns from another table when both the tables have no relation in T-SQL?
如何从一个表选择一列和来自另一个表的两个列当t - sql表没有关系吗?
How to select a column from one table and two columns from another table when both the tables have no relation in T-SQL?
如何从一个表选择一列和来自另一个表的两个列当t - sql表没有关系吗?
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