What is varchar sql?
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What is the default value of CHAR type?
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 the process of debugging?
What is partition by in sql?
what is data integrity
How long it takes to learn pl sql?
What is an alias command?
query to retrive the employees whose sal is greater than avg sal
How will you distinguish a global variable with a local variable in pl/sql?
If an unique key constraint on DATE column is created, will it validate the rows that are inserted with SYSDATE?
1.when will you use week refcursor and when will you use strong ref cursor ? 2.what is the use of sql trace..how do you use it ? 3.can you please send all the sql plus commands...like set line 6000....
what are the advantages a stored procedure? : Sql dba
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