Break keyword will exit the stop the while loop and control is moved to the next statement after the while loop. Lets look at an example that shows how to use a while loop in sql server. When using the t sql while loop, a boolean condition is checked every time the code within the loop is about to start. Advanced transactsql for sql server 2000 extras springer. Sql while loop provides us with the advantage to execute the sql statements repeatedly until the specified condition result turn out to be. If not, control passes to the statement following the loop. In both sql server 2000 and sql server 2005 the keyword go tells. In that case, i wish that the procedure continues processing the remaining 49 rows.
Difference between while loop and cursor in sql server. Microsoft sql server using while loop sqlserver tutorial. After the value increase, it again checks the condition. Best you can do is a while loop in a stored procedure. The while loop in sql server will check the condition at the beginning of the loop.
Executing a tsql batch multiple times using go ms sql tips. Sql server continue to next loop iteration in sql server. Sql server 2000 general discussion of microsoft sql server for topics that dont fit in one of the more specific sql server forums. Continue keyword skips all the statement after its execution and control is sent to the first statement of while loop. Within the while loop, we must use sql arithmetic operators to increment and decrements the loop value.
To define a statement block, use the controlofflow keywords begin and end. Exception handling in sql server 2000 stack overflow. If i disable the inner while loop the outer loop works fine without hours. Since the while condition is evaluated before entering the loop, it is possible that the loop body may not execute even once. If the condition is true, then it executes the code within the beginend statements. In the loop, increment a local variable to use as a counter and break out of the loop or. Treating your question as academic, this is why your code isnt working. Now you can embed the openquery function in a select statement as. A while loop will check the condition first and then executes the block of sql statements within it as along as the condition evaluates to true. Continue keyword skips all the statement after its. Continue causes the while loop to restart, ignoring any statements after the continue keyword. Sql server simple example of while loop with continue. It returns an hourly split for the first day but doesnt jump to the next day.
See also the continue statement to restart the while loop from the beginning. Break causes an exit from the innermost while loop. Any suggestions are welcome, remember its a sql server 2000 so nothing advanced will work. The below while loop executes the statements within it 4 times. Any statements that appear after the end keyword, marking the end of the loop, are executed.
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