Use the SELECT Count (*) INTO
The FROM
WHERE clause
ORA - 01722: invalid digital error
Why:

CodePudding user response:

Individual name for the Count (*) (aa)
SELECT Count (*) aa INTO
The FROM
WHERE clause

CodePudding user response:

A variable that is
Int aa
SELECT Count (*) INTO: aa
The FROM
WHERE clause

CodePudding user response:

You complete statement

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