how to trace query in sql server profiler

Tags: SQL statement electronic win style SPAN different statement column DTS --Connect remote SQL or insert data with OPENROWSET --if only temporary access, you can directly use OPENROWSET --Query Example Select * from OpenRowset('SQLOLEDB' ,'SQL Server name';'User name

unlocked not locked updates * Specifying the NOLOCK hint will make the table with the hint specified in cursor read-only. 16, use Profiler to track the query, get the time required to query, find out the problem of SQL; optimizing indexes with the index optimizer17, pay attention to the difference between union and Un

Grade> = 90 -- Use "logical expression" as the query condition ...... /* Logical expressions in SQL: Not: non And: corresponds Or: or */ Select * from Student -- Query the student table for a 19-year-old male student. Select * from Student where Sage = 19 and Ssex = 'male' -- Query the student whose age is 19 or 20 in

silent unlocked unlocked Unlocked update NOLOCK unlocked unlocked unlocked unlocked HOLDLOCK shared share share update UPDLOCK error update update update TABLOCKX error unlocked Lock updates Other unlocked unlocked unlocked updates * Specifies that the NOLOCK prompt will cause the table specified for that hint to be read-only in Gianpene. 16, with Profiler to track the query, get the time required to find

In this series of articles, we'll delve into how to combine the. NET 2.0 and SQL Server 2005 query notification features to inform the application when critical data changes in order to eliminate the recurring query database. First, the introduction One of the typical problems with database applications is updating sta

SQLServer how to use the T-SQL command to query a database in which tables, convenient table operations, need friends can refer to the next SQLServer how to use the T-SQL command to query a database in which tables, convenient table operations, need friends can refer to the next 1.

control lock No prompt not locked update NOLOCK not locked HOLDLOCK sharing update UPDLOCK error Update TABLOCKX Error unlocked unlocked update other unlocked update * The specified NOLOCK prompt will make the table specified with this prompt read-only in the cursor.16. Use Profiler to track the query, obtain the time required for the query, and locate the

1. query all tables in SQL: Select TABLE_NAME FROM database name. INFORMATION_SCHEMA.TABLES Where TABLE_TYPE = 'base table' after execution, you can see the names of all tables created by yourself in the database. 2. query all tables and columns in SQL: Select dbo. sysobjects. name as Table_name, dbo. syscolumns.

optimistic row version control lock No prompt not locked update nolock not locked holdlock sharing update updlock error Update tablockx Error unlocked unlocked update other unlocked update * The specified nolock prompt will make the table specified with this prompt read-only in the cursor. 16. Use profiler to track the query, obtain the time required for the query