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SQL SERVER – FIX : Error 15023: User already exists in current database.

Pinal Dave
SQL, SQL Performance, SQL Server, SQL Tips and Tricks
DBA, SQL Cursor, SQL Download, SQL Error Messages, SQL Joins, SQL Scripts, SQL Server DBCC, SQL Server Security, SQL Stored Procedure
Error 15023: User already exists in current database. 1) This is the best Solution. First of all run following T-SQL Query in Query Analyzer. This will return all the existing users in database in result pan. USE YourDB GO EXEC sp_change_users_login 'Report' GO Run following T-SQL Query in Query Analyzer…
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SQL SERVER – Primary Key Constraints and Unique Key Constraints

Pinal Dave
SQL, SQL Performance, SQL Server, SQL Tips and Tricks
Database, Software Development, SQL Coding Standards, SQL Constraint and Keys, SQL Download, SQL Error Messages, SQL Index, SQL Joins, SQL Scripts, SQL Server Security
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…
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SQL SERVER – UDF – Function to Convert Text String to Title Case – Proper Case

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL Function, SQL Scripts, SQL String
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…
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SQL SERVER – Query Analyzer Shortcuts

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL Download, SQL Shortcut, SQL Utility
Download Query Analyzer Shortcuts (PDF) Shortcut Function Shortcut Function ALT+BREAK Cancel a query CTRL+SHIFT+F2 Clear all bookmarks ALT+F1 Database object information CTRL+SHIFT+INSERT Insert a template ALT+F4 Exit CTRL+SHIFT+L Make selection lowercase CTRL+A Select all CTRL+SHIFT+M Replace template parameters CTRL+B Move the splitter CTRL+SHIFT+P Open CTRL+C Copy CTRL+SHIFT+R Remove comment CTRL+D…
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SQL SERVER – Query to find number Rows, Columns, ByteSize for each table in the current database – Find Biggest Table in Database

Pinal Dave
SQL, SQL Server, SQL Tips and Tricks
SQL Scripts, SQL Stored Procedure
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…
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