CREATEFUNCTION[dbo].[F_CM_Split](@textVARCHAR(MAX),@delimiterVARCHAR(1)='')RETURNS@StringsTABLE( ITEM_VALUEVARCHAR(MAX) )ASBEGINDECLARE@indexINTSET@index=-1WHILE(LEN(@text)>0)BEGINSET@index=CHARINDEX(@delimiter,@text)IF(@index=0)AND(LEN(@text)>0)BEGININSERTINTO@StringsVALUES(@text)BREAK...
16:insertinto@table 17:SELECTS.deptid ,max(Salary) ,MIN(Salary)FROMEmployees sinnerjoinDepartments TONS.deptid =T.deptidgroupbyS.deptidhavingS.deptid =@Department 18:RETURN 19:END 20:GO b. 使用TVF的低性能T-SQL: 1:alterprocedureUnperformant_SP1 2:@empidint 3:as 4:begin 5:selectT.deptidas...
IndexTableHint IndexType IndexTypeKind InlineDerivedTable InlineFunctionOption InlineResultSetDefinition InPredicate InsertBulkColumnDefinition InsertBulkStatement InsertMergeAction InsertOption InsertSource InsertSpecification InsertStatement IntegerLiteral InternalOpenRowset IPv4 IsolationLevel JoinHint JoinPare...
SQL Server 2014 (12.x): schema changes are not supported. To change the definition of a memory-optimized table or natively compiled stored procedure, first drop the object and then recreate it with the desired definition. Operation TRUNCATE TABLE The TRUNCATE operation is not supported for ...
You should get an error notifying you that SQL Server cannot use snapshot isolation to access table T1 in database testdb and that you should retry your transaction. The WAITFOR Command The WAITFOR command has been enhanced in several ways in Yukon. Besides waiting for a specified duration or...
型別:Microsoft.Data.Schema.ScriptDom.Sql.TableValuedFunctionReturnType 指定的片段型別。 .NET Framework 安全性 完全信任立即呼叫者。這個成員無法供部分信任的程式碼使用。如需詳細資訊,請參閱從部分受信任程式碼使用程式庫。 請參閱 參考 TSqlFragmentVisitor 類別 ...
程序集: Microsoft.SqlServer.Management.SqlParser(在 Microsoft.SqlServer.Management.SqlParser.dll 中)语法 C# 复制 public class DualTypeSortedListCollection<T, B> : SortedListCollection<T>, IMetadataCollection<B>, IEnumerable<B>, IEnumerable where T : class, B where B : class, IMetadataObject ...
A better way to join the same table multiple times? A cursor with the name ' ' already exists. A cursor with the name 'cur1' already exists. A fatal scripting error occurred. The file specified for :r command was not found error, please help. A file activation error occurred. The phy...
GROUP BY for ANSI SQL Table JOIN for ANSI SQL Temporal tables for ANSI SQL Views for ANSI SQL Window functions for ANSI SQL T-SQL Service Broker functionality for T-SQL SQL Server cast and convert for T-SQL Common Language Runtime for T-SQL Collations for T-SQL ...
In the real customer scenario that I was looking at, the table involved was accessed using a nested loop join, for a total of 13 million seeks. And these 13 million were repeated again for the second usage of the subquery. My attempt to rewrite the query was to use a LEFT OUTER JOIN...