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You need BEGIN... END to create a block spanning more than one statement. So, if you wanted to do 2 things in one 'leg' of an IF statement, or if you wanted to do more than one thing in the body of a WHILE loop, you'd need to bracket those statements with BEGIN...END. The GO keyword is not part of SQL. It's only used by the Query Analyzer to ...
In the following example, BEGIN and END define a series of Transact-SQL statements that execute together. If the BEGIN...END block isn't included, both ROLLBACK TRANSACTION statements would execute, and both PRINT messages would be returned.
With the END statement, the SQL block ends, practically END closes BEGIN, it represents the end point of the SQL block. Inside the SQL BEGIN END block you can execute SQL or T-SQL statements such as: SELECT, INSERT, UPDATE, DELETE, execution of functions and procedures. Syntax. BEGIN { sql_statements | transact_sql_statement } END Example of ...
19 lis 2024 · To define a statement block (batch), use the control-of-flow language keywords BEGIN and END. Although all Transact-SQL statements are valid within a BEGIN...END block, certain Transact-SQL statements should not be grouped together within the same batch (statement block).
BEGIN TRY { sql_statement | statement_block } END TRY BEGIN CATCH [ { sql_statement | statement_block } ] END CATCH; Example. The example below shows how to use the TRY...CATCH to handle errors in SQL Server.
27 gru 2023 · These powerful keywords allow us to bundle SQL statements together in logical, sequentially executed blocks. Let‘s fully unlock the capabilities of BEGIN/END blocks with proper syntax, real-world examples, performance tuning, and best practices specifically in SQL Server environments.
12 wrz 2022 · Learn how to build conditional logic when writing SQL code using IF, BEGIN, END, ELSE, and ELSEIF logic.
