what is the difference between implicit conversions and explicit conversions?

2 Answers  

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What are the different types of constraints?

0 Answers  

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How is use pl and sql?

0 Answers  

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what is 'mysqld'? : Sql dba

0 Answers  

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What are sql*plus environment variables?

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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Which join is like inner join?

0 Answers  

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What is trigger in sql? Explain

0 Answers  

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What is varchar data type in sql?

0 Answers  

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what is foreign key? : Sql dba

0 Answers  

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What is the difference between SQL and PLSQL

4 Answers   IBM,

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Does sql require a server?

0 Answers  

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