How do I count rows in sql?
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what is bulk bind
What is RAC in oracle?
what are the tunnig tables you used for tuning a query and tell me some of coloumns in that tuning tables?
Difference between IN and EXISTS
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?
What are the basic techniques of indexing?
what is the difference between mysql_fetch_object and mysql_fetch_array? : Sql dba
write a query to delete similar records in different tables with same structure
1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index is there in the table.
Is it possible to use LONG columns in WHERE clause or ORDER BY?
How do I remove sql developer from windows 10?
Suppose I have to create a view on a table, that is not yet been created by DBA. I khow the table structure. Is it possible to create the view before DBA creates this table? If yes then how? Is it possible to create synonym in this way?
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