When we use all in SQL?

Question

ALL means that the condition will be true only if the operation is true for all values in the range. returns a boolean value as a result. returns TRUE if ALL of the subquery values meet the condition. is used with SELECT , WHERE and HAVING statements.

Why we use all in SQL?

ALL is used to select all records of a SELECT STATEMENT. It compares a value to every value in a list or results from a query. The ALL must be preceded by the comparison operators and evaluates to TRUE if the query returns no rows. For example, ALL means greater than every value, means greater than the maximum value.

When to use any and all in SQL?

ANY means that the condition will be satisfied if the operation is true for any of the values in the range. ALL means that the condition will be satisfied only if the operation is true for all values in the range. mentioning that SOME and ANY are synonyms.

What is the use of all operator?

C/AL operatorMeaning+Addition-Subtraction or negation*Multiplication/Division

What is count all in SQL?

COUNT(ALL expression) evaluates expression for each row in a group, and returns the number of nonnull values. COUNT(DISTINCT expression) evaluates expression for each row in a group, and returns the number of unique, nonnull values. For return values exceeding 2^31-1, COUNT returns an error.

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