Why do we need unique key in a table?
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What is compiled query?
How does an execution block start and end in pl sql?
What is the maximum number of rows in sql table?
what is the difference between join and union? : Sql dba
I m giving Source, Destination and Age. Write a procedure or function, it will give to u this source to destination tickets are available or not, if available then check this person is senior citizen or not,if this person is senior citizen then give some discount. PLZ give this answer...... Thanks advance.....
What are the most important characteristics of pl/sql?
How to place comments in pl/sql?
Q1.all the depts which has more then 10 empls? Q2.all the dept which does not have any emply? Q3 all the emp which does not have any dept? Q4 get all the emply detais with the dept details it dept is exit otherwise any emp details? Q5 how to debugg the dynamic sql and packages?
Where the sql database files are stored?
Why cannot I use bind variables in ddl/scl statements in dynamic sql?
What is the difference between the implicit and explicit cursors?
Why truncate is faster than delete?