sql server find all tables with column

that for composite index, statistics only the leading column of statistics, that is, idx_col3_col2 this index only COL2 this column of statistics, as follows For col2=2 statistics, the statistic is 100336 lines, we remember this number Another feature of statistics is the automatic creation of statistics on query columns (non-indexed columns), which is automatically created in the following query executi

Tags: --sql Server 2005, or 2012:select * from Information_schema.tables--sql server 2000:select * from sysobjects WHERE xt ype= ' u ' select * from sysobjects WHERE xtype= ' u ' select table_name from GEOVIDNU. Information_schema. Tablesselect sobjects.namefrom sysobjects sobjectswhere sobjects.xtype = ' U ' EXEC sp_

Find all non-xml Indexes Find all non-xml Indexes The Code is as follows:DECLARE cur CURSORSELECT[Object_name] = s. name + '.' + OBJECT_NAME (A. object_id ),B. nameFROM sys. dm_db_index_physical_stats (DB_ID ('adventureworks'), NULL, null, null) ASJOIN sys. indexes AS BOn a. [object_id] = B. [object_id]And a. [index

SUM( CaseWEEK when 'Monday' ThenINCOMEEND) as [Monday],SUM( CaseWEEK when 'Tuesday' ThenINCOMEEND) as [Tuesday],SUM( CaseWEEK when 'Wednesday' ThenINCOMEEND) as [Wednesday],SUM( CaseWEEK when 'Thursday' ThenINCOMEEND) as [Thursday],SUM( CaseWEEK when 'Friday' ThenINCOMEEND) as [Friday],SUM( CaseWEEK when 'Saturday' ThenINCOMEEND) as [Saturday],SUM( CaseWEEK when 'Sunday' ThenINCOMEEND) as [Sunday] fromWeek_incomeHowever, a simpler approach is provided in

Two tables linked to different libraries in the same server This approach is limited to databases on the same server.I. Establishment of two databases, library a (table a) and Library B (table B).Second, to two libraries to assign the same account permissions.Use the following statement when querying: The code is as follows Copy Code SELECT * from A.DBO.A, b.dbo.b where a.dbo.a

(1) system table: stores all SQL system information. The metadata stored in the database service is called metadata (for example, the user databases on the data server, the login accounts on the database server, and (1) system table: stores all

should look like this:Monday Tuesday Wednesday Thursday Friday Saturday Sunday1000 2000 3000 4000 5000 6000 7000In this case, SQL query statements can be written like this:SELECT SUM (case WEEK "Monday ' then INCOME end" as [Monday],sum (case WEEK, "Tuesday" then INCOME END) as [Tuesday],sum (case WEEK when "Wednesday ' then INCOME END" as [Wednesday],sum (case WEEK "Thursday ' then INCOME END" as [Thursday],sum (case WEEK "Friday" Then INCOME END)

Tags: des style blog io color ar using SP forA table is a logical structure used to store data and manipulate data, to organize and store data, all data in a relational database is represented as a table, and the data table consists of rows and columns. The data tables in SQL Server are temporary

To ensure that SQL server returns the correct value or has performance concerns, it intends to re-compile the execution plan without reusing the execution plan cached in the memory, it is called recompile ). Which of the following conditions can cause re-compilation of the stored procedure? In order to ensure that the correct value or performance concerns are returned, Luo SQLSERVER intends to re-compile th

Label:Use databaseDECLARE @ProcName varchar (50)Create Table #tmpName (Content varchar (2000))Create Table #tmp (procname varchar, Content1 varchar (8000))--Define a cursorDECLARE Searchproc CURSOR for--Query the name of the stored procedure in the database, as far as possible to remove the system proc, can be based on the Crdate time field to find non-system procSelect name from sysobjects where type= ' P ' and name is not a like ' dt_% 'OPEN Searchp

SQL Server queries all users who have purchased products in a certain period of time, and SQL server has bought The goods table is as follows: Name time productA 13:23:00 WFEYB 15:23:00; 34 ASGA 13:47:20 SGHC 19:56:03 HRTC 14:00:00 XCCA ESFW Select distinct oo. name FROM

Tags: blog http using data art forThere was a problem with SQL Server yesterday: I had to write a stored procedure to process the data in several tables, and finally the problem was that I wanted to stitch up the rows of one column of a table into a row, such as a table with two columns of data: categor

from tb1 UNION ALL select name as name, Subject = ' physical ', result = physical from tb1) Torder By name, case Subject when ' language ' then 1 when ' math ' then 2 when ' physical ' then 3 when ' total ' then 4 end---------------------------- ----------------------------------------/* Plus an average score, total score name Subject Result----------------------- --------------John Doe Language 74.00 John Doe Mathematics 84.00 John Doe physical 94.0

', ' Maliniak ', ' M ', ' 1989-09-12 '); INSERT into Employees VALUES (10006, ' 1953-04-20 ', ' Anneke ', ' preusig ', ' F ', ' 1989-06-02 '); INSERT into Employees VALUES (10007, ' 1957-05-23 ', ' Tzvetan ', ' Zielinski ', ' F ', ' 1989-02-10 '); INSERT into Employees VALUES (10008, ' 1958-02-19 ', ' Saniya ', ' Kalloufi ', ' M ', ' 1994-09-15 '); INSERT into Employees VALUES (10009, ' 1952-04-19 ', ' sumant ', ' peac ', ' F ', ' 1985-02-18 '); INSERT into Employees VALUES (10010, ' 1963-

The title describes the Last_Name and first_name of all employees and the corresponding department number dept_no, as well as showing employees who are not assigned a specific department.CREATE TABLE ' Dept_emp ' (' Emp_no ' int (one) is not NULL,' Dept_no ' char (4) Not NULL,' From_date ' date not NULL,' To_date ' date not NULL,PRIMARY KEY (' emp_no ', ' dept_no '));CREATE TABLE ' Employees ' (' Emp_no ' int (one) is not NULL,' Birth_date ' date not

Tags: tab span div rom char from border add employeeFind last_name and first_name for all employees assigned to the departmentCREATE TABLE ' Dept_emp ' (' Emp_no ' int (one) is not NULL,' Dept_no ' char (4) Not NULL,' From_date ' date not NULL,' To_date ' date not NULL,PRIMARY KEY (' emp_no ', ' dept_no '));CREATE TABLE ' Employees ' (' Emp_no ' int (one) is not NULL,' Birth_date ' date not NULL,' first_name ' varchar (not NULL),' last_name ' varchar

How does SQL Server modify the auto-increment column value and corresponding solutions? A special task encountered in today's work is to change the values of the two auto-incrementing columns.Since the SQL Server platform has previously migrated the

/* Data operations between different server databases */--Create a linked serverexec sp_addlinkedserver ' itsv ', ' ', ' SQLOLEDB ', ' Remote server name or IP address 'exec sp_addlinkedsrvlogin ' itsv ', ' false ', NULL, ' username ', ' password '--query ExampleSELECT * from ITSV. Database name. dbo. Table name--import ExampleSELECT * into table from ITSV. Database name. dbo. Table name--Remove linked

table because the heap Table Page is disordered and must be allocated from the iam page each time, the clustered index table can be searched through a two-way linked list.Pages allocated/sec is the number of pages allocated per second in all databases of the SQL server instance. These pages include the pages allocated from the hybrid zone and unified zone. For

need to consider, he just insert records into the Sales record table- The big table in this logic is on the line. SQL Server automatically places it in the physical table that it should stay in.Similarly, for the query, programmers only need to set up the query criteria, Ok,sql server will automatically go to the corr