What does := mean in pl sql?
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Why do we need unique key in a table?
What is the difference among union, minus and intersect?
Let us suppose we have a table with structure in order empno empname empdesig empcountry and now i want to re-organize the columns of this table to empno empdesig empname empcountry how can i do this with queries ? assume that table contains the data.
How do I partition a table in sql?
Create a procedure to delete certain records from a table and display the total number of records deleted in this process. (Condition for deletion can be of ur choice, for instance delete all records where eid='')
What is sqlcontext?
What is differance unique key and primary key.
what are the advantages of package?
Explain some predefined exceptions.
Show code of a cursor for loop.
how do you know the version of your mysql server? : Sql dba
how to include numeric values in sql statements? : Sql dba
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