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...
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...
In SQL, theSELECT INTOstatement is used to copy data from one table to another. Example -- copy all the contents of a table to a new tableSELECT*INTOCustomersCopyFROMCustomers; Here, the SQL command copies all data from theCustomerstable to the newCustomersCopytable. ...
We regularly insert data into SQL Server tables either from an application or directly in SSMS. We can insert data using the INSERT INTO statement. To do this, we should have a table already in place to insert data into it as we cannot create a table using Insert into the statement. We...
问Oracle PL SQL函数没有INTO子句，但实际上它有一个SELECT INTOEN下面来总计下之前的随笔中所说过的...
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...
This SQL Server tutorial explains how to use the SELECT INTO statement in SQL Server (Transact-SQL) with syntax and examples. The SQL Server (Transact-SQL) SELECT INTO statement is used to create a table from an existing table by copying the existing tab
Learn how to use the SQL SELECT INTO statement to create a new table and copy data from an existing one efficiently.
The following example demonstrates using theSELECT INTOstatement to query a single value into a PL/SQL variable, entire columns into PL/SQL collections, or entire rows into a PL/SQL collection of records: DECLARE howmany NUMBER; some_first employees.first_name%TYPE; ...
INTOnewtable[INexternaldb] FROMoldtable WHEREcondition; The new table will be created with the column-names and types as defined in the old table. You can create new column names using theASclause. SQL SELECT INTO Examples The following SQL statement creates a backup copy of Customers: ...