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What is DECLARE in Oracle SQL?

Contents
  1. What does declare in SQL mean?
  2. What is declare in database?
  3. What is declare in PL SQL?
  4. What is used to declare a record in SQL?
You can declare constants and variables in the declarative part of any PL/SQL block, subprogram, or package. Declarations allocate storage for a value, specify its datatype, and specify a name that you can reference. Declarations can also assign an initial value and impose the NOT NULL constraint.


What does declare in SQL mean?

The DECLARE statement is used to declare a variable in SQL Server. In the second step, we have to specify the name of the variable. Local variable names have to start with an at (@) sign because this rule is a syntax necessity. Finally, we defined the data type of the variable.

What is declare in database?

Declares the name of a database.

What is declare in PL SQL?

Variable Declaration in PL/SQL When you declare a variable, PL/SQL allocates memory for the variable's value and the storage location is identified by the variable name. The syntax for declaring a variable is − variable_name [CONSTANT] datatype [NOT NULL] [:= | DEFAULT initial_value]

What is used to declare a record in SQL?

ANSWER: %ROWTYPE The %ROWTYPE attribute helps in creating table and cursor based records.

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