What is the difference between char, varchar and nvarchar?
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Explain what is the purpose of sql profiler in sql server?
What is SQL Profiler what is the use of it?
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Why foreign key column allowing null values even a parent tables reference key column not having null value..
Describe in brief databases and sql server databases architecture.
What is the purpose of the tempdb database?
Tell me the use of keyword with encryption. Create a store procedure with encryption?
What are the different editions available in sql server 2000?
Can a stored procedure call itself or recursive stored procedure? How many levels sp nesting is possible?
How to create and drop temp table in sql server?
What is the diff between Static Queries and Dynamic queries give me some examples
CREATE TABLE [dbo].[HPMS_CompetencyTypes](CompetencyType varchar(50) ) go create trigger hpms_create_Insert on HPMS_CompetencyTypes for insert as if Exists ( select * from [HPMS_CompetencyTypes] where CompetencyType=(select * from [HPMS_CompetencyTypes])) begin Rollback tran Raiserror ('duplicate value',12,6) go insert HPMS_CompetencyTypes (CompetencyType) values ('new') I'm new to trigger can any one tell me where is the issue. Please.
What does the update command do?
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