What is difference between mysql and postgresql?
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Explain the rollback statement?
What is user in sql?
What are the different types of joins in sql?
What does “select count(1) from tab” result?
Can we use SQL%ISOPEN in implicit cursors? Does this attribute works properly in Implicit Curosors?
difference between cursor and procedure in a package
Can we use commit inside a trigger?
Explain the usage of WHERE CURRENT OF clause in cursors ?
Which are the different character-manipulation functions in sql?
Explain UNION,MINUS,UNION ALL, INTERSECT?
What are the indexing methods?
How will you make performance better for application including front end and back
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