What are sql ddl commands?
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How do I run a sql trace?
What is the process of debugging?
How to get second highest salary from a table
How do I order columns in sql?
a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.
What are properties of the transaction?
What is a design view?
How do you declare a constant?
Which sql most popular?
How do I upgrade sql?
how to retrieve last tree records from table? select *from emp where rownum > (select count(*)-3 from emp); i am using this query to get last three records from table but its not giving any output, so please tell me what is the error in this query.
how can you see all indexes defined for a table? : Sql dba
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