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Vivek's SQL Notes
Vivek johari is currently a Analyst and
have more that 5.5 yeras of experience in database. He has Master
degree in Computer and also he is Microsoft certified Sql DBA
(MCTS)& Microsoft certified SQl BI professional(MCTS). He is also
Oracle certified profession(OCP)DBA in ORACLE 10g and ORACLE 9i.He has
the experience of working in PL/SQL, T-SQL and SSIS/SSRS. His work
basically involved designing and optimization of the Database.He has
also published many database articles on his blog Technologies with Vivek Johari.
Archives: August 2012
Boyce - Codd Normal Form (BCNF)
Boyce - Codd Normal Form (BCNF) :- A normal form is said to be a Boyce - Codd Normal Form if it is in 3NF and there is not a possibility of a key attribute is determined by a Non Key attribute.
For example , suppose there are 5 columns says A,B,C,D,E…
For example , suppose there are 5 columns says A,B,C,D,E…
4 comments, 377 reads
Posted in Vivek's SQL Notes on 19 August 2012
Isolation levels in SQL Server
Isolation levels :- Isolation level is required to isolate a resource and protect it from other transactions. This is achieved with the help of locks but what locks are needed and how they can be established is decided on the isolation level set on the database level. If low level…
13 comments, 1,033 reads
Posted in Vivek's SQL Notes on 19 August 2012