Question : I am trying to execute the query below: UPDATE( SELECT Ord.Completed FROM Product P INNER JOIN Order1 Ord […]
Tag: update
Three update query vs single update query performance
Question : Am trying to optimize a procedure. There are 3 different update queries present in the procedure. update #ResultSet […]
Is clustering a table beneficial, given this update pattern?
Question : I have a table essentially equivalent to this example: create table my_table(i integer, x text, y integer, z […]
Select statements during long update
Question : I’ve a table MESSAGES id (long) | attach_data (image) | ins_date | flag this table contains all messages […]
using update query with subquery in Oracle sql
Question : I have an update query where I am trying to update a field but for more than one […]
Unexpected update results on heap using SET @Variable = Field= @Variable + 1, fixed with clustered index
Question : I’m just looking to understand why this is happening, and my Google searches were failing me. We are […]
How to append zeros to substring Datetime values in sql table?
Question : I need to change a DateTime to a new format by appending zeros to dates less than 10. […]
SQL Server updates missing from WSUS
Question : I don’t use WSUS for SQL Server patching because we have so many different compatibility issues, requirements and […]
Updating MySQL innodb table based on multiple joins
Question : I have a table with the following (slightly simplified) structure CREATE TABLE `oak_relation` ( `o_id` int(10) unsigned NOT […]
How to update a sequence column using single update statement
Question : I have a table, lets call it foo which consist a column priority and has a unique constraint […]