How do I kill a query in postgresql?
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What are different types of keys?
How write primary and foreign key relationship between two tables without using constraints? u can use any of procedure/function/trigger and any sql?
Can we use joins in subquery?
what is meant by nl2br()? : Sql dba
How do I run a sql query?
how a reference cursor works?what all adnvantages are gained with it..specify the situation?
How many types of cursors are available in pl/sql?
what is the difference between varray and table data type..please expalain with some examples... under what situation you will go for varray..instead of index by table...
How to revise and re-run the last sql command?
we have a package and we have grants to execute that package inside of that we have table, here we don't have privileges to this table? whether this package will execute or not?
i have table T!. A B C D NULL 1 2 3 4 NULL 5 6 7 8 NULL 9 10 11 12 NULL. I WANT COUNT OF NULL VALUES IN TABLE. WRITE A QUERY.
What do you mean by dbms? What are its different types?
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