Nikola Markovinović questions

Nikola Markovinović answers

• TSQL alter table adding constraint for both cascade on delete and update
• SQL Server 2008: updating and keeping tracking of anuual price increase
• Deriving a thousands or hundreds range from a number in T-SQL
• SQL Server : splitting the results of GROUP BY into a separate columns
• improving performance in sql with multiple tables
• Total Count in Grouped TSQL Query
• INSERT or UPDATE table from another table with composite primary key
• Update field by reordering date from all records within the table
• Check if value was greater than x for y consecutive months period in changes history
• Trying to merge rows into one row with certain conditions