Useful tips for everyday
Should I create a new table for each user? Just have one table for each thing that needs a table, and add a “user” column.…
What is the correct syntax to create procedure? The syntax to create a procedure in Oracle is: CREATE [OR REPLACE] PROCEDURE procedure_name [ (parameter [,parameter])…
Does materialized view store data? A materialized view is a pre-computed data set derived from a query specification (the SELECT in the view definition) and…
How do I become a SQL Server administrator? To become an SQL Server DBA, you need to complete training courses on and using Microsoft’s Structured…
How does the auto increment function work in MySQL? Syntax for MySQL. The following SQL statement defines the “Personid” column to be an auto-increment primary…
What is the alternative for CASE statement in SQL? Question: What is Alternative to CASE Statement in SQL Server? Answer: IIF Function. Can you nest…
Where is the Db2 home directory? For non-root installations, you cannot choose where Db2 products are installed; you must use the default locations….Directory structure for…
What is a currency field? A currency field is a component of a structure, database table, or view defined in ABAP Dictionary of type CURR…
How do I disable a SQL Server database user? To disable Logins of a SQL Server: Use master. Go. Alter Login loginname disable; –To enable…
How to delete a subquery from a table? 2. check the number 3 is in the result of the subquery which satisfies the condition bellow…