What is sql query limit?

0 Answers  

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What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?

9 Answers   Oracle,

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how many tupples can insert in 1 second in sql

1 Answers  

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What is a primary key? Explain

0 Answers  

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What is data control language (dcl)?

0 Answers  

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Can we use more than one null value for unique key?

31 Answers   A1 Technology, Wipro,

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Which one of the following is a reason that an INSERT statement might cause an error instead of executing correctly? 1. The INSERT statement was attempting to insert a record into a view that was created from more than one table. 2. The INSERT statement was attempting to insert a record using a combination of constants and values from an existing table. 3. The INSERT statement was attempting to insert a record with a non-NULL value into a table that has that column defined as NULL. 4. The INSERT statement was attempting to insert a record into a table by selecting a record from that same table. 5. The INSERT statement was attempting to insert a record into a view rather than a table.

1 Answers   Sonata,

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What is mdf ldf and ndf?

0 Answers  

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What is the criteria while applying index to any column on any table.

1 Answers   Infogain,

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What are the advantages of sql? Explain

0 Answers  

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Is time a data type in sql?

0 Answers  

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how to create a database in oracle?

3 Answers  

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