Search results
24 lip 2009 · 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 ...
12 wrz 2022 · Learn how to build conditional logic when writing SQL code using IF, BEGIN, END, ELSE, and ELSEIF logic.
3 dni temu · In the following example, BEGIN and END define a series of SQL statements that run together. If the BEGIN...END block are not included, the following example will be in a continuous loop. -- Uses AdventureWorks DECLARE @Iteration INTEGER = 0 WHILE @Iteration <10 BEGIN SELECT FirstName, MiddleName FROM dbo.DimCustomer WHERE LastName = 'Adams ...
3 dni temu · Encloses a series of Transact-SQL statements so that a group of Transact-SQL statements can be executed in a logical block of code. BEGIN and END are control-of-flow language keywords. Transact-SQL syntax conventions. Syntax BEGIN { sql_statement | statement_block } END Arguments { sql_statement | statement_block}
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 ...
To return records that starts with a specific letter or phrase, add the % at the end of the letter or phrase. Example. Return all customers that starts with 'La':
10 sie 2010 · Some RDBMSes permit you to declare a backwards index, that is, one that descends instead of ascending. If you create a backwards index on the ID field, and if the optimizer uses that index, it will look at the most recent entries first. This will give you a rapid response for the first row.
