What is query optimization in sql?
what is a join? : Sql dba
What are the data types allowed in a table?
there 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?
What is data profiling in sql?
What is the plv (pl/vision) package offers?
what are the system privileges that are required by a schema owner (user) to create a trigger on a table?
Is nosql faster than sql?
What is the difference between local variables and global variables?
what eliminate duplicate without using roenum and not
Which certification is best for sql?
Explain what is an index?
Is sql a case sensitive language?