What are the most important ddl statements in sql?
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what are all the different types of indexes? : Sql dba
how to retrieve only duplicate values in a table
How many row comparison operators are used while working with a subquery?
What are user defined functions?
What is consistency?
What is primary key sql?
what is the correct way of selection statement a. select/from/table_name/orderby/groupby/having b. select/from/table_name/groupby/having/orderby
5 Answers HCL, JPMorgan Chase,
There are 5 records in a table and we have implemented two triggers that are :pre_query and post_query how many times these triggers will fire.
What are the two types of periodical indexes?
What is update query?
In what condition is it good to disable a trigger?
What is database white box testing and black box testing?
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