What is a database event trigger?
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Is it important to partition hard disk?
Explain character-manipulation functions?
When do we use triggers?
What is the maximum number of triggers, you can apply on a single table?
Like shown below i have 3 columns(Name,No,Address). The values in name column i want to modity. Requirement : Keep only once space between two words (Fname,Lname) in the Name column. For this what is the query? Please answer me. Advance Thanks. Name No Address Reference manoj kumar kumar raja vinzay kumar rajendra prasad gowri nath -- -- --
What is rollback?
How run sql*plus commands that are stored in a local file?
How will you select unique values from a list of records?
Is sql a dbms?
What is the difference between local and global temporary table?
Can we use commit or rollback in trigger? If yes, then how. Please explain with a suitable example?
Write one update command to update seqno field of a table on the basis of row number.
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