sql query formatter

Label:Write in front: This is the first T-SQL query Advanced series article. But the T-SQL query step-up series is far from finished. This topic is advanced and I think it is because this topic requires some advanced knowledge as the basis. If there is any mistake in the article, please do not hesitate to correct me. T

Hibernate native SQL query, Hibernate native SQL Recently, a more complex query was made, and the basic query of hibernate could not meet the requirements. Therefore, we had to use the native SQL

SQL subquery, multi-Table query, and joint Query Subquery, multi-Table query, and joint QueryThese three concepts are interpreted slightly differently in different SQL versions, roughly as follows: JoinYou can check related SQL

I wrote a half-day SQL statement in the query analyzer and forgot to save it ~ What should I do if I want to retrieve an SQL statement that has been executed for a certain period of time? I wrote a half-day SQL statement in the query analyzer and forgot to save it ~ What sho

@ PACK_RECEIVED;Select @ CPU_BUSY;Select @ PACK_SENT;Select @ TIMETICKS;Select @ IDLE;Select @ TOTAL_ERRORS;Select @ IO_BUSY;Select @ TOTAL_READ; -- number of disk readsSelect @ PACKET_ERRORS; -- number of network packet errorsSelect @ TOTAL_WRITE; -- number of disk writes executed by sqlserverSelect patIndex ('% soft %', 'Microsoft SqlServer ');Select patIndex ('soft % ', 'Software SqlServer ');Select patIndex ('% soft', 'sqlserver microsoft ');Select patIndex ('% so_gr %', 'jsonisprogram ');1

Tags: that is greater than stronggrouplov in insert get address When we want to query all result sets in SQL for which a column value is NULL, the query condition should write like thisSELECT * FROM table where field is nullInstead, use the SELECT * from table where field = NULL to not find the correct result. Then why is this? To understand why, you need to

longitude and latitude two columns in the data table to optimize the speed at which the where statement executes.The final SQL statement is as follows 1 $sql=‘select * from users_location where 2 latitude >‘.$lat.‘-1and 3 latitude ‘.$lat.‘+1and 4 longitude >‘.$lon.‘-1and

An interesting SQL queryA friend has such a SQL query requirement:There is a login table (Tmp_test) that contains the user ID (UID) and logon time (Login_time). The table structure is as follows:*************************** 1. Row***************************Field:uidtype:int(Ten) unsignedNull: NOKey: MULDefault:NULLExtra:*************************** 2. Row**********

The instance resolution and SQL horizontal display are displayed in the row-to-column manner of SQL query statements. This article shares two examples of horizontal display of rows and columns in SQL query statements for your reference. The specific content is as follows: Ex

1. Use SET STATISTICS TIME ON -- First clear the cache Dbcc dropcleanbuffers; Dbcc freeproccache; -- Run Set statistics time on; SELECT orderid, custid, empid, shipperid, orderdate, filler FROM dbo. Orders WHERE orderdate> = '123' AND orderdate Set statistics time off; GO You will get a similar message: SQL Server Analysis and Compilation Time: CPU time = 15 ms, occupied time = 33 Ms. SQL Server executi

Source: http://www.cnblogs.com/doosmile/archive/2012/03/16/2400646.html--Connect remote SQL or insert data with OPENROWSET--if it's just temporary access, you can use OPENROWSET directly--query ExampleSELECT * FROM OPENROWSET (' SQLOLEDB ', ' SQL Server name '; ' User name '; ' Password, database name. dbo. Table name)You need to enable AD HOC distributed for cro

Before: This is the first T-SQL query advanced seriesArticleBut the advanced series of T-SQL query is far from finished. I think this topic needs some advanced knowledge as the foundation. If there are errors in this article, please do not correct it. The content of this article requires the indexing knowledge as the b

Memory:4gos:windows2003database: MS SQL Server -Purpose: Query performance test to compare performance SQL query efficiency for two queries step by step--SETP1.--Build Tables CREATE TABLE T_userinfo (useridintIdentity1,1) Primary key Nonclustered,nick varchar ( -) notNULL default "', ClassIDintNotNULL default 0, Writet

Q A location: http://space.cnblogs.com/q/20546/q A: I have asked more questions about the relationship: 5 [resolved issues] Browse: 52 times 00 Student table T1 Stu_id Stu_name 1 Zhang San 2 Li Si 3 Wang Wu Course list T2 Co_id Co_name 1 Java 2 C # 3 C 4 C ++ 5 Javascript Link Table T3 Stu_id Co_id 1 1 1 4 2 1

Label: CREATE VIEW View_1--Create a new view name as--functions for building viewsSelectStudent.sno,sname,cno,degree fromStudent join score on student.sno=Score.sno GoSelect* fromView_1wheresno='1' Select* from (SelectStudent.sno,sname,cno,degree fromStudent join score on STUDENT.SNO=SCORE.SNO) asTable2 wheresno='101'--define as a temporary table with AS and then query the results from the table. is also a sub-qu