How do I make my sql query run faster?
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What is consistency?
How delete all data from table in sql?
What are system versioned tables?
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Explain locks? : Transact 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.
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how can we replace the particular column value of a resulted set of executed query? I mean write down a sql query to chane the particular column's value of a resulted set of executed query
Explain what is a column in a table?
what is cursor. write example of it. What are the attributes of cursor.
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