Keep it Simple and Smart
A self-join is joining a table to itself. This is done by using table name aliases to give each instance of the table a separate name. Self Join is very useful when you want to compare values in a column to other values in the same column. Self join and
» Read moreSQL Server database administrators frequently need in especially development and test environments to find and kill all the blocked process. Following scripts are useful in that scenario. Script – 1 — Find All the Blocked Processes SELECT spid, status, loginame=SUBSTRING(loginame,1,12), hostname=SUBSTRING(hostname,1, 12), blk = CONVERT(char(3), blocked), dbname=SUBSTRING(DB_NAME(dbid),1, 10), cmd, waittype
» Read moreHow to reset auto number (IDENTITY) column in SQL Server? Sometimes we need to reset the auto number – identity column in a table. Using the DELETE statement is not enough. The statement only deletes the data but not reset the identity column. We can reset the auto number (IDENTITY)
» Read morePrior to SQL server 2005, the only way of performing the error handling was to test vale of @@ERROR global variable. Once the SQL Server completes the execution of a Transact-SQL statement, it records the status of result in @@ERROR. If the error occurred, @@ERROR contains the error number. If
» Read moreI had requirement to get the Comma Separated Values from the table for specific column. So here sharing with you example how i handle this situation. USE tempdb GO CREATE TABLE test1 ( column1 INT, column2 VARCHAR(6) ) INSERT INTO test1 VALUES (1,'Test1'), (1,'Test2'), (2,'Test3'), (2,'Test4'), (3,'Test5') Now see the
» Read moreI have faced an issue during SQL Server Migration. Here sharing with you. As I need to move some databases from SQL Server 2000 to SQL Server 2008 then I faced a problem because TSEQUAL and JOIN syntax such as *= or =* not supported in SQL Server 2008. Some of
» Read moreTable-valued parameters are a new parameter type introduced in SQL Server 2008. With the help of table-valued parameters, you can send multiple rows of data to a stored procedure or function, without creating a temporary table or many parameters. Steps to create Table-Valued Parameters Create a table type and define
» Read moreTemporary tables are a useful feature provided by SQL Server. Temporary tables created at runtime and can do all kinds of operations that one normal table can do. Because this is available at runtime, that’s why the scope of temporary tables is limited. These tables are created inside the tempdb
» Read moreHere is simple script with you can set your database in Read-Only Mode Once you specify database is in read-only mode then users can read data from the database, not modify it. Here is Script : Mark Database Read Only USE [master] GO ALTER DATABASE database_name SET READ_ONLY WITH NO_WAIT
» Read moreHere is an example – Import CSV file to SQL table using Bulk-Insert CSV file means Comma Separated Values file. USE testdb GO CREATE TABLE table1 ( id INT, name VARCHAR(255), address VARCHAR(255) ) GO Create CSV file in Shared folder on any remote location with name csv.txt Suppose location
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