sql query profiler

'); Select patIndex ('% soft', 'sqlserver microsoft '); Select patIndex ('% so_gr %', 'jsonisprogram '); 10. User-Defined Functions # View all functions of the current database -- Query all created functions Select definition, * from sys. SQL _modules m join sys. objects o on m. object_id = o. object_id And type in ('fn ', 'if', 'tf '); # Create a function If (object_id ('fun _ add', 'fn ') is not null) Dr

Label:ioarjavaforsp Data onbsad Publiclist To get the metadata for the SQL query result set column based on the SQL query

SQL query skills two ways to query whether a table exists Method 1: Determine whether a system object existsDeclare @ Dbtablefilename varchar (100) Set @ dbtablefilename = 'tx' If objectproperty (object_id (@ dbtablefilename), 'isusertable') is not null Print 'exists' Else Print 'not exists' If object_id (@ dbtablefilename) is not null Print 'exists' Else Prin

OK, go to the database log to look for, through the time, keyword batch match. All you can think of is to use it. Let's assume that you've executed it. No? Well, either it's too simple, or you're too easy. Copy Code code as follows: SELECT Top 1000 --Creation time Qs.creation_time, --Query statement SUBSTRING (St.text, (QS.STATEMENT_START_OFFSET/2) +1, (Case Qs.statement_end_offset WHEN-1 THEN datalength (st.text) ELSE qs.

Label: Public classTestsql {@Test Public voidtest01 () {Session session=NULL; Try{Session=hibernateutil.opensession (); List). addentity (Student.class). Setparameter (0, "% hole%"). Setfirstresult (0). Setmaxresults (10). List (); for(Student stu:stus) {System.out.println (Stu.getname ()); } } Catch(Exception e) {e.printstacktrace (); } finally{Hibernateutil.close (session); }} @Test Public voidtest02 () {Session session=NULL; Try{Session=hibernateutil.opensession (); List). Addentity

SQL Server paging query processing method summary, SQL Server Paging Sqlserver2008 does not support the keyword limit, so its paging SQL query statement cannot be performed using MySQL. Fortunately, sqlserver2008 provides top, rownumber, and other keywords, in this way, you

Tags: type error associated recommendation management will rom Ora no(Transferred from http://blog.csdn.net/sforiz/article/details/5345359) We have to do not only write SQL, but also to write good performance of SQL statements.(1) Select the most efficient table name order (valid only in the rule-based optimizer):The Oracle parser processes the table names in the FROM clause in a right-to-left order, and th

operator overhead, the estimated number of rows, and the object and query conditions of the operation, all of which provide favorable evidence for optimizing the query. 1th, the 3 diagram IO overhead is relatively large, the 2nd graph estimates the number of rows is larger, and then according to other information, the first thought should be to build the index, not the words to change the

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

SQL query method essence set, SQL method essence set 1. Simple Query A simple Transact-SQL query only includes the select list, FROM clause, and WHERE clause. They indicate the queried columns, the queried tables or views, and the

Essential SQL query optimization techniques to speed up Website access and SQL access In this article, I will introduce how to identify queries that cause performance problems, how to locate their problems, and how to quickly fix these problems and other methods to speed up the query. You must know that a website with

@ 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

about what the database engine is doing. With the trace tool, we can monitor 180 events. In these events, we can view details of the user's login and lock activity through a special session ID (SPID). This data is generated through SQL Server Profiler, as well as a series of server-side stored procedures and. NET classes, and can provide you with the flexibility to roll back custom workarounds when a probl

19.3.1 SQL Query Analyzer Introduction SQL Query Analyzer is a graphical management tool that is used to write, test Transact-SQL statements, and batch processing. System administrators and developers can learn how to improve performance of

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

Kettle implements dynamic SQL query and kettle implements dynamic SQLDynamic SQL query in kettle In ETL projects, some SQL statements, such as data query, are usually executed based on the input parameters at run time. This artic

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

Tags: velocity hibernateA Brief introductionHibernate provides a more complete encapsulation of the database structure, and Hibernate's O/R mapping implements the mapping between Pojo and database tables, as well as the automatic generation and execution of SQL. While MyBatis is an excellent persistence layer framework that supports plain SQL queries, stored procedures, and advanced mappings, MyBatis needs