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Answer to Question #172231 in Databases | SQL | Oracle | MS Access for william

Question #172231

define variables in sql


1
Expert's answer
2021-03-16T16:25:35-0400

A SQL variable is an object which can hold a single data value of a specific data types. It is used in batches and scripts.

DECLARE statement initializes a variable by assigning it a name and a data type.

DECLARE @VarA int

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