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.
1 6139SQL Tuning, Oracle Server 10g: Why is the following hint invalid? SELECT /*+ first_rows parallel(table_name,paral_number)*/
1 8969I have a package in which a table was used in a procedure and compiled later i have dropped the table used in the package what would be the status of package specification and body
TCS,
1 5584why we go for package? what are the advantages of using instead of seperate procuderes or functions
3 8929there is A table and B table in A table there 5 rows and in b table there are 2 rows i am firing query select * from a,b what will be the output?
7 11881how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc
IAS,
1 3201Like shown below i have 3 columns(Name,No,Address). The values in name column i want to modity. Requirement : Keep only once space between two words (Fname,Lname) in the Name column. For this what is the query? Please answer me. Advance Thanks. Name No Address Reference manoj kumar kumar raja vinzay kumar rajendra prasad gowri nath -- -- --
5 6320
How many sql databases can you have on one server?
how would you get the current date in mysql? : Sql dba
How does cross join work in sql?
How do sql triggers work?
What is equi join in sql?
Is postgresql a nosql database?
What is database sql?
how to drop an existing view in mysql? : Sql dba
Can we connect to postgresql using sql developer?
What is dialect in sql?
what is uncommittable transactions? : Transact sql
what are wild cards used in database for pattern matching ? : Sql dba
Why do we use subquery?
What is materialized view. What are different methods of refresh?
What is the use of non clustered index?