Why we use cross join?
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Is left join inner or outer by default?
what is a cursor
What is a variable in sql?
How many types of cursors supported in pl/sql?
How to use distinct and count in sql query? Explain
if a string is there like s1,s2,s3,s4.How to find count of commas in this.
what is a foreign key ? : Sql dba
How does index help in query performance?
What is meant by Join? What are the different types of Joins available? Explain.
What is CYCLE/NO CYCLE in a Sequence?
what does the t-sql command ident_current does? : Transact sql
Which sql statement is used to return only different values?
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