What does t sql mean?
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i want insert 10 records from table a to table b. if i m using statement level trigger how many record insert ?in row level trigger how many record inserted???
3 Answers Scope International,
What is the difference between join and natural join?
What do you mean by dbms? What are its different types?
Is inner join same as self join?
What is scalar function in sql?
What is the difference between sum and count in sql?
What are procedures used for?
Suppose a student column has two columns, name and marks. How to get name and marks of the top three students.
What is composite primary key in sql?
What is the difference between UNIQUE CONSTRAINT and PRIMARY KEY? 1. There is no difference. 2. A PRIMARY KEY cannot be declared on multiple columns. 3. A UNIQUE CONSTRAINT cannot be declared on multiple columns. 4. A table can have multiple PRIMARY KEYS but only one UNIQUE CONSTRAINT. 5. A table can have multiple UNIQUE CONSTRAINTs but only one PRIMARY KEY.
How does an execution block start and end in pl sql?
What are the topics in pl sql?
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