We can also use theSELECT INTOstatement to create a new table with the given structure (without copying the data). For that, we use theWHEREclause with a condition that returnsfalse. -- copy table structure onlySELECT*INTONewCustomersFROMCustomersWHEREfalse; Here, the SQL command creates an e...
Summary: in this tutorial, you will learn how to use the PL/pgSQL select into statement to select data from the database and assign it to a variable. Introduction to PL/pgSQL Select Into statement The select into statement allows you to select data from the database and assign it to a...
Summary: in this tutorial, you will learn how to use the PL/SQL SELECT INTO statement to fetch data of a single row from a table into variables. PL/SQL SELECT INTO statement is the simplest and fastest way to fetch a single row from a table into variables. The following illustrates the...
SQL SELECT INTO Examples The following SQL statement creates a backup copy of Customers: SELECT*INTOCustomersBackup2017 FROMCustomers; The following SQL statement uses theINclause to copy the table into a new table in another database: SELECT*INTOCustomersBackup2017IN'Backup.mdb' ...
Summary: in this tutorial, you will learn how to use the PostgreSQL SELECT INTO statement to create a new table from the result set of a query. If you want to select data into variables, check out the PL/pgSQL SELECT INTO statement. Introduction to PostgreSQL SELECT INTO statement The Pos...
typeint)insertinto#JobInfoexecmsdb..sp_help_job 返回错误信息:INSERT EXEC 语句不能嵌套。 Msg 8164, Level 16, State 1, Procedure sp_get_composite_job_info, Line 72 An INSERT EXEC statement cannot be nested. 展开错误信息中的存储过程:
T-SQL中该句正常,但PL/SQL中解释是: select..into is part of PL/SQL language which means you have to use it inside a PL/SQL block. You can not use it in a SQL statement outside of PL/SQL. 即不能单独作为一条sql语句执行,一般在PL/SQL程序块(block)中使用。
NOTE: SQL commands are not case sensitive. The above SELECT statement can also be written as"select first_name from students_details;" You can also retrieve data from more than one column. For example, to select first name and last name of all the students. ...
使用 SELECT INTO 语句备份表时,需要注意新表的结构和选择的列的匹配。同时,还可以使用该语句创建临时表或将查询结果插入到其他表中。 希望本文对你理解 SQL Server SELECT INTO 备份表的使用有所帮助! 参考资料 Microsoft Docs: [SELECT INTO (Transact-SQL)]( W3Schools: [SQL SELECT INTO Statement](...
select..into is part of PL/SQL language which means you have to use it inside a PL/SQL block. You can not use it in a SQL statement outside of PL/SQL. 即不能单独作为一条sql语句执行,一般在PL/SQL程序块(block)中使用。 如果想在PL/SQL中实现该功能,可使用Create table newTable as selec...