ALTERINDEX [索引名]ON[表名] REBUILDWITH(ONLINE=ON) 实例: ALTERINDEX [PandaIndex]ON[PandaTable] REBUILDWITH(ONLINE=ON) 删除索引# 删除索引-使用SSMS# 删除索引-使用T-SQL# DROPINDEX 表名.索引名; 或者 DROPINDEX [索引名称]ON表名; 删除全文索引-使用T-SQL# DROPFULLTEXT INDEXONtable_name 不论是...
WITH (INDEX = IX_employee) WHERE 编号=3 32:删除索引 DROP INDEX IX_employee ON employee 33:索引分类创建 一:创建普通索引(可以重复) CREATE INDEX index_name ON table_name (column_name) 如果您希望以降序索引某个列中的值,您可以在列名称之后添加保留字 DESC CREATE INDEX index_name ON table_name ...
CREATE COLUMNSTORE INDEX CREATE DATABASE CREATE DATABASE SCOPED CREDENTIAL CREATE EXTERNAL DATA SOURCE CREATE EXTERNAL FILE FORMAT CREATE EXTERNAL TABLE CREATE FUNCTION CREATE INDEX CREATE PROCEDURE CREATE SCHEMA CREATE STATISTICS CREATE TABLE CREATE TABLE AS SELECT CREATE VIEW DROP EXTERNAL DATA SOURCE DROP...
如果查询部分有对视图的SELECT直接引用,则索引视图将保持精简。 如果指定WITH (NOEXPAND)或WITH (NOEXPAND, INDEX( <index_value> [ , *...n* ] ) ),视图也会保持精简状态。 有关查询提示NOEXPAND的详细信息,请参阅使用 NOEXPAND。 该提示仅影响语句SELECT部分中的视图,包括这些视图,MERGEINSERTUPDATE以及DELETE...
1:go2:alter procedure Performant_SP13:@empid int4:as5:begin6:create table #table7:(8:Department int,9:Salary_Max int,10:Salary_Min int11:)12:create clustered index #table_index1 on#table(Department)13:insert into #table select*fromDep_Salaries1(@empid)14:selectT.deptidasdepartment_name...
1:--创建新表2:use MyDemo3:CREATETABLE[dbo].[Employees](4:[empid][int]IDENTITY(1,1)NOTNULL,5:[empname][nvarchar](100)NULL,6:[deptid][int]NULL,7:[Salary][float]NULL,8:CONSTRAINT[PK_Employees]PRIMARYKEYCLUSTERED9:([empid]ASC)10:WITH11:(PAD_INDEX=OFF,STATISTICS_NORECOMPUTE=OFF,IGNORE...
PATINDEX('a%', 'abc') returns 1 and PATINDEX('%a', 'cba') returns 3.Unlike LIKE, PATINDEX returns a position, similar to what CHARINDEX does.D. Using complex wildcard expressions with PATINDEXThe following example uses the [^] string operator to find the position of a character that...
SELECT * INTO MySalesOrderHeader FROM SalesOrderHeader CREATE UNIQUE CLUSTERED INDEX idx_uc_OrderDate_SalesOrderID ON MySalesOrderHeader(OrderDate, SalesOrderID) To delete all rows with an order year earlier than 2003 in batches of 1,000, use the following code: Copy WHILE 1 = 1 BEGIN DELE...
SELECT * INTO MySalesOrderHeader FROM SalesOrderHeader CREATE UNIQUE CLUSTERED INDEX idx_uc_OrderDate_SalesOrderID ON MySalesOrderHeader(OrderDate, SalesOrderID) To delete all rows with an order year earlier than 2003 in batches of 1,000, use the following code: Copy WHILE 1 = 1 BEGIN DELE...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...