What does pl sql developer do?

0 Answers  

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write the Sql query for creating database backup?

7 Answers   TCS,

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What is string data type in sql?

0 Answers  

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what is the difference between join and union? : Sql dba

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Does varchar need length?

0 Answers  

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consider a table which contain 4 columns,ename,eno,sal and deptno, from this table i want to know ename who having maximum salary in deptno 10 and 20.

24 Answers   Mind Tree,

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How can I see all tables in sql?

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When is the explicit cursor used ?

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How do I view tables in mysql?

0 Answers  

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In a table i have columns A,B,C and i have a composite index on columns A,B if so will the following query uses index or not? SELECT sal,name FROM <table_name> WHERE A=<value> AND B=<value> AND C=<value>;

2 Answers   Mastek,

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Why partition by is used in sql?

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What is a trigger in pl/sql?

1 Answers  

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