What is foreign key sql?


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What is embedded sql with example?

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if table named a is there and 4 records are there then how to swap (1 and 3) and (2 and 4) records at a time

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Table 1: col1 Timestamp ---------------- 01-mar-2012 11:12:46 Table 2: col2 Timestamp -------------------- 01-mar-2012 11:12:10 01-mar-2012 11:11:23 Write a query to display a row with table2 col2 value less than tabl1 col1 value. Maximum timestamp value previous to table1 col1 value. Display a result as: Col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

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Differentiate between sga and pga.

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How many types of tables are there?

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What is the difference between nested table and varray?

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What are the parts of a sql statement?

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What are the three pl sql block types?

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what is a scheduled jobs or what is a scheduled tasks? : Sql dba

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Table Order_Name has a column Order_Date which gives the date & Time at which the order is passed.Find the table to write a query to find out the latest order.

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select top 3 sal from each dept?

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What is sqlerrm?

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