Answer Posted / masthan

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What is difference between nchar and nvarchar?

1100

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what is query cache in mysql? : Sql dba

1079

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Are pl sql variables case sensitive?

1091

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Define overloaded procedure?

1130

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What is a unique key and primary key and foreign key?

1021

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What is the difference between count 1 and count (*) in a sql query?

1052

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Which table is left in join?

1017

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Are there any features that are decommissioned in 11g that are not present in 11g?

2194

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What are the three pl sql block types?

1049

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Why left join is used in sql?

1019

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What is information schema in sql?

1113

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What are its different types of dbms?

1053

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Does sql support programming?

1115

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What are different types of functions in sql?

1054

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What are string functions in sql?

1302

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