SQL SERVER – Primary Key Constraints and Unique Key Constraints

Primary Key: Primary Key enforces uniqueness of the column on which they are defined. Primary Key creates a clustered index on the column. Primary Key does not allow Nulls. Create table with Primary Key: CREATE TABLE Authors ( AuthorID INT NOT NULL PRIMARY KEY, Name VARCHAR(100) NOT NULL ) GO…
Read More

SQL SERVER – UDF – Function to Convert Text String to Title Case – Proper Case

Following function will convert any string to Title Case. I have this function for long time. I do not remember that if I wrote it myself or I modified from original source. Run Following T-SQL statement in query analyzer: SELECT dbo.udf_TitleCase('This function will convert this string to title case!') The…
Read More

SQL SERVER – Query to find number Rows, Columns, ByteSize for each table in the current database – Find Biggest Table in Database

USE DatabaseName GO CREATE TABLE #temp ( table_name sysname , row_count INT, reserved_size VARCHAR(50), data_size VARCHAR(50), index_size VARCHAR(50), unused_size VARCHAR(50)) SET NOCOUNT ON INSERT #temp EXEC sp_msforeachtable 'sp_spaceused ''?''' SELECT a.table_name, a.row_count, COUNT(*) AS col_count, a.data_size FROM #temp a INNER JOIN information_schema.columns b ON a.table_name collate database_default = b.table_name collate…
Read More

SQL SERVER – Shrinking Truncate Log File – Log Full

UPDATE: Please follow link for SQL SERVER – SHRINKFILE and TRUNCATE Log File in SQL Server 2008. Sometime, it looks impossible to shrink the Truncated Log file. Following code always shrinks the Truncated Log File to minimum size possible. USE DatabaseName GO DBCC SHRINKFILE(<TransactionLogName>, 1) BACKUP LOG <DatabaseName> WITH TRUNCATE_ONLY…
Read More
Menu