ERROR 1222 : Lock request time out period exceeded.
SQL SERVER – ERROR Messages – sysmessages error severity level
SQL ERROR Messages
Each error message displayed by SQL Server has an associated error message number that uniquely identifies the type of error. The error severity levels provide a quick reference for you about the nature of the error. The error state number is an integer value between 1 and 127; it represents information about the source that issued the error. The error message is a description of the error that occurred. The error messages are stored in the sysmessages system table.
SQL SERVER – 2005 Take Off Line or Detach Database
EXEC sp_dboption N'mydb', N'offline', N'true' OR ALTER DATABASE [mydb] SET OFFLINE WITH ROLLBACK AFTER 30 SECONDS OR ALTER DATABASE [mydb] SET OFFLINE WITH ROLLBACK IMMEDIATE Using the alter database statement (SQL Server 2k and beyond) is the preferred method. The rollback after statement will force currently executing statements to rollback…
Read MoreSQL SERVER – TRIM() Function – UDF TRIM()
SQL Server does not have function which can trim leading or trailing spaces of any string. TRIM() is very popular function in many languages. SQL does have LTRIM() and RTRIM() which can trim leading and trailing spaces respectively. I was expecting SQL Server 2005 to have TRIM() function. Unfortunately, SQL…
Read MoreSQL SERVER – Six Properties of Relational Tables
Relational tables have six properties: Values Are Atomic This property implies that columns in a relational table are not repeating group or arrays. The key benefit of the one value property is that it simplifies data manipulation logic. Such tables are referred to as being in the “first normal form”…
Read MoreSQL SERVER – 2005 Collation Explanation and Translation
Just a day before one of our SQL SERVER 2005 needed Case-Sensitive Binary Collation. When we install SQL SERVER 2005 it gives options to select one of the many collation. I says in words like ‘Dictionary order, case-insensitive, uppercase preference’. I was confused for little while as I am used…
Read MoreSQL SERVER – 2005 Query Analyzer – Microsoft SQL SERVER Management Studio
Following may be very simple to some and helpful to other type of question. I have seen this in my server log as well as this has been always first question in my Developer Team. Where is SQL SERVER 2005 Query Analyzer? SQL SERVER 2005 has combined Query Analyzer and…
Read MoreSQL SERVER – Query to Find Seed Values, Increment Values and Current Identity Column value of the table
Following script will return all the tables which has identity column. It will also return the Seed Values, Increment Values and Current Identity Column value of the table. SELECT IDENT_SEED(TABLE_NAME) AS Seed, IDENT_INCR(TABLE_NAME) AS Increment, IDENT_CURRENT(TABLE_NAME) AS Current_Identity, TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE OBJECTPROPERTY(OBJECT_ID(TABLE_NAME), 'TableHasIdentity') = 1 AND TABLE_TYPE = 'BASE…
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SQL SERVER – Understanding new Index Type of SQL Server 2005 Included Column Index along with Clustered Index and Non-clustered Index
Clustered Index Only 1 allowed per table Physically rearranges the data in the table to conform to the index constraints.
SQL SERVER – Raid Configuration – RAID 10
I get question about what configuration of redundant array of inexpensive disks (RAID) I use for my SQL Servers. The answer is short is: RAID 10. Why? Excellent performance with Read and Write. RAID 10 has advantage of both RAID 0 and RAID 1. RAID 10 uses all the drives…
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