What is SELECT into in Plsql?

What is SELECT into in PL SQL?

The SELECT INTO clause of SQL is used to retrieve one row or set of columns from the Oracle database. The SELECT INTO is actually a standard SQL query where the SELECT INTO clause is used to place the returned data into predefined variables.

What is the use of SELECT into?

Introduction to SQL Server SELECT INTO statement The SELECT INTO statement creates a new table and inserts rows from the query into it. If you want to copy the partial data from the source table, you use the WHERE clause to specify which rows to copy.

When a SELECT into statement does not return a row?

If the SELECT statement returns more than one row, Oracle will raise the TOO_MANY_ROWS exception. If the SELECT statement does not return any row, Oracle will raise the NO_DATA_FOUND exception.

What does := mean in PL SQL?

:= is the assignment operator in PL/SQL (Oracle's procedural extension to SQL). You use this to assign values to variables. If you just use = then this is checking for equality rather than assigning a value.