what is a composite key ? : Sql dba
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Why triggers are used?
how would concatenate strings in mysql? : Sql dba
What is the purpose of a sql?
what is difference between procedure and function, procedure and trigger?
Difference between SUBSTR and INSTR?
Why do we need sharding?
What is index example?
What is an index in sql with example?
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what are the differences among these table level lock modes - IN SHARE MODE, IN SHARE UPDATE MODE, IN EXCLUSIVE MODE ?
How does rowid help in running a query faster?
What is the difference between functions, procedures, and packages in pl/sql?