What is the purpose of normalization?
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Write the order of precedence for validation of a column in a table? I. Done using database triggers. Ii. Done using integarity constraints
How many postgresql users are there, worldwide?
HOW TO ADD PRIMARY KEY TO TABLE BY PL/SQL PROGRAM
what is a join? : Sql dba
State some properties of relational databases?
The in operator may be used if you know the exact value you want to return for at least one of the columns.
What is the fastest way of accessing a row in a table?
What is the difference between an inner join and an outer join?
how can we find the select statement is indexed or not?
What is a boolean in sql?
What does pl sql developer do?
how many groups of data types? : Sql dba
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