What is normalisation in sql?
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What are wait events. Describe the wait event tables.
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.
Is sqlite free?
How do you optimize SQL queries ?
6 Answers CarrizalSoft Technologies, Infosys, Oracle,
What are stored procedures in mysql?
using comand prompt how can import table data and table space with example
write a query to delete similar records in same table
Is sql workbench free?
How does pl sql work?
When would you denormalize?
8 Answers MBT, Microsoft, MMU,
Why do we use procedures in pl sql?
How do u count no of rows in a table?
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