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To insert multiple rows in MS SQL you can use such a construction: INSERT INTO phone_book SELECT 'John Doe' , '555-1212' UNION ALL SELECT 'Peter Doe' , '555-2323' ; Note that this is not a valid SQL statement according to the SQL standard ( SQL:2003 ) due to the incomplete subselect clause.
A relational database management system uses SQL MERGE (also called upsert) statements to INSERT new records or UPDATE or DELETE existing records depending on whether condition matches. It was officially introduced in the SQL:2003 standard, and expanded [citation needed] in the SQL:2008 standard.
Stored procedures may also contain declared variables for processing data and cursors that allow it to loop through multiple rows in a table. Stored-procedure flow-control statements typically include IF, WHILE, LOOP, REPEAT, and CASE statements, and more. Stored procedures can receive variables, return results or modify variables and return ...
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Compile: The DBMS compiles (parses, optimizes and translates) the statement template, and stores the result without executing it. Execute: The application supplies (or binds) values for the parameters of the statement template, and the DBMS executes the statement (possibly returning a result). The application may request the DBMS to execute the ...
In SQL, the data manipulation language comprises the SQL-data change statements, [3] which modify stored data but not the schema or database objects. Manipulation of persistent database objects, e.g., tables or stored procedures, via the SQL schema statements, [3] rather than the data stored within them, is considered to be part of a separate data definition language (DDL).
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