how to include comments in sql statements? : Sql dba
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Explain what is a database?
Why commit is not used in triggers?
What is difference between Procedures and Functions ?
What is mutating error?
What is difference between primary and secondary key?
What is sqlexception in java?
Explain what is a subquery ?
What is an exception in PL/SQL? What are the two types of exceptions?
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
how would you enter characters as hex numbers? : Sql dba
What is break?
How many triggers can be implemented for a table?