Lab Sql

I'd like to update the columns in on table based on the values of another table, I use a slight… Read more Update One Table From Another Without Join Statement

I have the following script that I run using 'isql -i scriptfile.sql': CONNECT C:\Databasef… Read more Creating Table In Firebird Script Causes "unsuccessful Metadata Update" With Deadlock

I'm running this SQL script on my Firebird 2.5-DB: SELECT aktivitaet.creationdatetime, (select … Read more Return Only Most Recent Entry Per Id

i have some php script and i think this have a lot of mistake. because of my limited knowledge in c… Read more Php: How To Prevent Sql Injection From $_post

I have a quite unique need to make select always return one row My SQL: select * from table1 Where … Read more Firebird Sql Challenge - Return One Row That Has The Data When Select Returned Two Rows

I would like to assign a value to a variable which is used in an sql code in firebird. The MySQL-Co… Read more Firebird: Using Global Variable

I would like to count duplicate date values. I already know that my field 'WHEN' is a times… Read more Count Equal Date Parts Of The Timestamp Column Across The Groups By The Said Column

Whenever the field sync is updated without the flag being YES I need to set that field to NULL. CRE… Read more Trigger On Update Firebird