Splet19. sep. 2024 · Not: MySQL, SQL Server, PostgreSQL The next method I’ll share is similar to method 4 but uses a correlated subquery to match on columns. DELETE FROM table a WHERE ROWID NOT IN ( SELECT MAX(ROWID) FROM table b WHERE a.col1 = b.col1 AND a.col2 = b.col2 AND a.col3 = b.col3 ); SpletMy solution is to do a table swap. Create a staging table that has exactly the same structure, indexes etc Then the daily job does the following Delete from the staging table …
SQL Server: How to Use SQL SELECT and WHERE to Retrieve Data
Splet13. feb. 2009 · CREATE DATABASE PartitionSwapTest GO USE PartitionSwapTest GO ALTER DATABASE PartitionSwapTest ADD FILEGROUP [FS_Months] ALTER DATABASE PartitionSwapTest ADD FILE (NAME =... SpletIn this video tutorial, we learn how to swap column values in different databases like SQL Server, MySQLAll SQL Statements related to this video can be found... AboutPressCopyrightContact... little alchemy 2 how to make magic
sql server - When you switch Table A to Table B, does the index …
Splet30. dec. 2024 · Use sys.sql_expression_dependencies to list dependencies on the object before moving it. To change the schema of a table by using SQL Server Management Studio, in Object Explorer, right-click on the table and then click Design. Press F4 to open the Properties window. In the Schema box, select a new schema. ALTER SCHEMA uses a … SpletSwap table name in MySQL, SQL Server Sometimes we need to swap table names of existing two tables. We can do this using a single sql statement in MySQL. Suppose we … Splet17. jun. 2016 · I am asking because of 2 reasons: 1) In order to perform a SWITCH TO statement, a requirement is that both the source and target table must contain identical … little alchemy 2 how to make everything