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10 sty 2012 · It has to do with the Normal Form for the SQL language. IF statements can, by definition, only take a single SQL statement. However, there is a special kind of SQL statement which can contain multiple SQL statements, the BEGIN-END block.
Marks the starting point of an explicit, local transaction. Explicit transactions start with the BEGIN TRANSACTION statement and end with the COMMIT or ROLLBACK statement.
10 lut 2021 · In order to define an explicit transaction, we start to use the BEGIN TRANSACTION command because this statement identifies the starting point of the explicit transaction. It has the following syntax:
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2 dni temu · Examples. 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.
25 mar 2014 · BEGIN TRANSACTION marks the starting point of an explicit, local transaction. - MS. For example, when I issue a DELETE or UPDATE statement I always explicitly use BEGIN TRAN to make sure my statement is correct and I get the correct number of results returned.
