Question : I’m trying to batch-copy data in a specific order from one table to another in PostgreSQL 12-beta2. The […]
Tag: select-into
How much storage space do indexes and keys take for an SQL Table?
Question : I have a table which is predominantly filled with NULLS and takes up 10 GB which was shocking […]
How to speed up an insertion from a huge table with postgres?
Question : I have 5 tables in my database with respectively a size of 70Gb, 500Mb, 400 Mb, 110Mb and […]
SQL Server: I need to estimate execution time of a SELECT .. INTO .. statement
Question : To take backup of a big table (using SELECT .. INTO .. ) took me almost 4 hours […]
Create an empty table from an existing table keeping the default value constraint
Question : I tried: Select * Into <DestinationTableName> From <SourceTableName> Where 1 = 2 but the default value constraint is […]