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...
PLS-00428 错误是 Oracle PL/SQL 编译器在处理 SELECT 语句时遇到的一个常见错误。该错误消息“an INTO clause is expected in this select statement”意味着编译器期望在 SELECT 语句中有一个 INTO 子句,但是没有找到。在 PL/SQL 中,当 SELECT 语句旨在返回单行单列或多行多列数据供变量或记录接收时,必须使...
The SQL SELECT INTO StatementThe SELECT INTO statement copies data from one table into a new table.SELECT INTO SyntaxCopy all columns into a new table:SELECT * INTO newtable [IN externaldb] FROM oldtableWHERE condition; Copy only some columns into a new table:...
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
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. ...
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...
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; ...
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...
注意:如果在sql/plus或者PL/SQL执行这条语句,会报"ORA-00905:缺失关键字"错误,原因是PL/Sql与T-SQL的区别。 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...
This Oracle tutorial explains how to use the Oracle SELECT statement with syntax, examples, and practice exercises. The Oracle SELECT statement is used to retrieve records from one or more tables in an Oracle database.