What is the need of merge statement?
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What is the difference between function, procedure and package in pl/sql?
Does pdo prevent sql injection?
How to improve the performance of a pl/sq stored procedures or functions or triggers and packages ?
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what is autonomouse transaction?
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.
What is self-join and what is the requirement of self-join?
what is data control language? : Sql dba
what is an associative array with example?
Can a varchar be a primary key?
How do I quit sql?
What is replication id?
How many joins can you have in sql?
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