I got a SQL-statement which provides the maximum of a database field. For example: select max(field1) as result from table1 How can I assign this sql-result-value to a qlikview-variable? let @vMAXIMUM = ? Thanks for your help! Daniel Ditto - same here! 10,606 Views 0 Likes Rep...
-- Assign the function result to the variable: SELECT @MyResult1 = SQRT(@MyNumber1), @MyResult2 = SQRT(@MyNumber2) -- Return the variable value SELECT @MyResult1, @MyResult2 上面的例子首先声明了4个变量,然后用两个SELECT语句给这些变量赋值,而不是用4个SELECT语句给变量赋值。虽然这些...
How to select result from a OPENQUERY into a variable How to select rows that contain substrings from another table How to Select Tables Using 'LIKE' how to select the 2nd word in a string? How to select the nth word in a string? How to select top 1 from union? how to select t...
@ return_variable can be specified only for Transact-SQL functions and not for CLR functions. select_stmt The single SELECT statement that defines the return value of an inline table-valued function (TVF). ORDER (<order_clause>) Specifies the order in which results are being returned from ...
usesPartitionFunction+ INT value+create()PartitionScheme+create()+assign() 调试步骤 在实施分段计算之后,动态调整参数是非常重要的,有助于快速定位问题并有效解决。 YESNO开始调试是否存在性能问题?检查分区配置日志记录优化分区结束' 性能调优 对SQL Server 的分段计算进行性能优化是确保系统稳定的重要步骤。
@ return_variable can be specified only for Transact-SQL functions and not for CLR functions. select_stmt The single SELECT statement that defines the return value of an inline table-valued function (TVF). ORDER (<order_clause>) Specifies the order in which results are being returned from ...
42611 The column, argument, parameter, or global variable definition is invalid. CANNOT_ASSIGN_EVENT_TIME_COLUMN_WITHOUT_WATERMARK DELTA_IDENTITY_COLUMNS_ILLEGAL_STEP IDENTITY_COLUMNS_ILLEGAL_STEP 42612 The statement string is an SQL statement that is not acceptable in the context in which it is pr...
Optimizing Backup and Restore Performance in SQL ServerThis article covers various best practices that you can use to improve the performance of Backup/Restore operations. For example, you can assign theSE_MANAGE_VOLUME_NAMEspecial privilege to the Windows account that's running SQL Server to enable...
For reason codes 1, 2, and 3, the query can be rewritten using a common table expression to isolate the table function invocation. For example: SELECT c1 FROM (SELECT c1 FROM t1, t2, TABLE(tf1(t1.c1) AS tf), t3) AS x, t4 ...
Here's the result set. Output B. Use SELECT@local_variableto return null In the following example, a subquery is used to assign a value to@var1. Because the value requested forCustomerIDdoesn't exist, the subquery returns no value, and the variable is set toNULL. ...