How to test for null values?
What is view explain with example?
what are the methods using performance tunning in sql and pl/sql
What does joining a thread mean?
What is compute?
What are crud methods?
How to prepare for oracle pl sql certification?
how do you login to mysql using unix shell? : Sql dba
How to avoid using cursors? What to use instead of cursor and in what cases to do so?
How One can easily select all even, odd, or Nth rows from a table using SQL queries?
what are all types of user defined functions? : Sql dba
What is secondary key?
need to split a string into separate values. eg. col1 col2 ---------- 100 - 'a,b,c' 200 - 'a,x,d,e' 300 - 'c' result: value count ------------- a - 2 b - 1 c - 2 etc.