you are using nested sql, please specify FROM LOGSTORE in the innermost sql 错误描述 您正在SQL中使用嵌套子查询,请在最内层的子查询中指定表名。 可能原因 SLS为了简化用户查询,在进行单表查询时,默认指定当前所在Logstore为From所在表。假设您当前Logstore名为test,那么,以下3个查询语句是同义的: ...
Assume that you run Data Analysis Expressions (DAX) queries in Microsoft SQL Server 2017. When you execute a DAX query that contains SWITCH and nested IF statements, if the SWITCH branch is the last in the branch list, the query may take more than an hour to finish. Howev...
Hopefully someone can understand what I'm trying to achieve and lend a helping hand! The formula I'm trying to use is as follows: =IF(K2="",D,IF( (L2="Expired"),IF(O5="" AND L2=""),"In Progress"... Ignore me!! You have cracked!
Usually, it's not recommended that you use loops in SQL unless you need to. You should use set-based queries instead. However, if you need to, there are many ways to loop, one of them is using cursors. For example, let's say that you have multiple DBs and you need to select ...
Now, if SP 2 - rolls back for whatever reason, does SP 1 - commit or rollback or throw exception? Answer: The outer transaction will be rollbacked as well. There are no autonomous transactions in SQL Server. You may see@@TRANCOUNTincrease beyond 1, but a rollback affects the whole th...
if (result =true)returntab1 record endloop1 closetab1 注释: fetch one record from tab1result =false (即将变量result的值置为alse)open tab2这三条语句是并列的关系 result =trueexit loop2 这两条语句是并列的关系 在存在in的SQL语句的执行计划里的NESTED LOOPS SEMI (即半嵌套循环): ...
reward if usefull Reply Former Member 2007 Nov 05 11:02 AM 0 Kudos 312 SAP Managed Tags: ABAP Development hi yes this i s possible with the for all entries in abap u can use like this select myfield from mytable1 into table itab1 for all entries not in itab2 where my...
If a simple NLJ algorithm is used, the join is processed like this: for each row in t1 matching range { for each row in t2 matching reference key { for each row in t3 { if row satisfies join conditions, send to client } } } Because the NLJ algorithm passes rows one at a time ...
...IF(O2>19240,"B",IF(O2>24440,"C"... but exactly the same result will be with ...IF(O2<=19240,"A",IF(O2<=24440,"B",... It doesn't matter in which direction criteria check.
If a subquery depends on a nested table that refers to a parent table, the subquery can only use the parent table in theFROMclause. You can't use the parent in any other clauses, such as aSELECTorWHEREclause. For example, the following query doesn't run because the subquery'sSELECTcla...