Removing duplicates rows from a unique index SQL Server table You can use the index to classify the duplicate data in unique index tables then delete the duplicate records. First, we need to create a ...

Learn how to use different SQL statements to delete data from tables using SQL DB2, and what are some of the best practices and pitfalls to avoid.

DECLARE @tableName NVARCHAR(256); DECLARE @tableSchema NVARCHAR(256); DECLARE @sql NVARCHAR(MAX) = ''; -- Create the cursor for selecting all table names and schemas from the information schema ...

In the case above, I resorted to using DELETE FROM statements for each table, and suffered the performance penalty. What I would have preferred is the ability to run a SQL script to delete all the ...