What is the difference between Union and Union all. Which is faster.
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what command is used to create a table by copying the structure of another table including constraints ?
In a table i have columns A,B,C and i have a composite index on columns A,B if so will the following query uses index or not? SELECT sal,name FROM <table_name> WHERE A=<value> AND B=<value> AND C=<value>;
is it possible to pass an object or table to a procedure as an argument?
What is RAC in oracle?
how to give permission to users that users can update/insert/delete on a row of table on timeing 10am to 6pm only?
What is delimiter in pl sql?
What is the main difference between sql and pl/sql?
why not null constraint showing its constraint type as 'c'
How will you debug your procedure? If your procedure is around 2000 lines and the expected output is 10 and we get only output 5.So how will you debug it? Somebody pls give the correct answer?
What is vector point function?
Where not exists in sql?
What are the types of records?