What is the difference between union and union all command?
No Answer is Posted For this Question
Be the First to Post Answer
how to retrieve only duplicate values in a table
What is the least restrictive isolation level? : Transact sql
Explain about various levels of constraint.
how would you enter characters as hex numbers? : Sql dba
How bulk collect improves performance?
Explain the the update statement in sql?
How are sql commands classified?
What is the difference between DELETE and TRUNCATE?
15 Answers Johns Hopkins University, Tech Mahindra,
What is the difference between inner join and natural join?
How is pl sql different from sql?
Q1.all the depts which has more then 10 empls? Q2.all the dept which does not have any emply? Q3 all the emp which does not have any dept? Q4 get all the emply detais with the dept details it dept is exit otherwise any emp details? Q5 how to debugg the dynamic sql and packages?
What is structural independence and why is it important?
Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)