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Showing content from https://docs.databricks.com/aws/en/sql/language-manual/sql-ref-variables below:

Variables | Databricks Documentation


> DECLARE OR REPLACE VARIABLE myvar INT DEFAULT 17;


> DECLARE address = named_struct('street', 'Grimmauld Place', 'number', 12);


> SELECT myvar, session.address.number;
17 12


> SET VAR myvar = (SELECT max(c1) FROM VALUES (1), (2) AS t(c1));
> SELECT myvar;
2


> SET VAR (myvar, address) = (SELECT address.number, named_struct('street', address.street, 'number', 10));
> SELECT myvar, address;
12 {"street":"Grimmauld Place","number":10}


> DROP TEMPORARY VARIABLE myvar;
> DROP TEMPORARY VARIABLE IF EXISTS address;


> DECLARE view = 'tempv';
> CREATE OR REPLACE TEMPORARY VIEW IDENTIFIER(view) (c1) AS SELECT 1;
> SELECT * FROM IDENTIFIER(view);
1

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