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Answer to Question #172231 in Databases | SQL | Oracle | MS Access for william
Question #172231
define variables in sql
Expert's answer
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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#339914 on Dec 2023
#339914 on Dec 2023
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