Define union, minus, union all, intersect ?
No Answer is Posted For this Question
Be the First to Post Answer
What are the different set operators available in sql?
which will fire first ? Trigger or Constraint
24 Answers i2, IBM,
what is the functionality of the function htmlentities? : Sql dba
How to change a value of the field ‘salary’ as 7500 for an employee_name ‘john’ in a table employee_details?
What is rename command in sql?
Which are the different case manipulation functions in sql?
What is multiple partition?
what are the differences among rownum, rank and dense_rank? : Sql dba
SELECT category, type, AVG(price) FROM products GROUP BY category, type ORDER BY 1, 2 If there are three distinct categories in the "products" table, and each one has five different types, how many rows are returned by the query above? 1. 1 row 2. 3 rows 3. 5 rows 4. 8 rows 5. 15 rows
What is the result, when NULL is compared with NULL?
What is Difference Between Unique and Primary Key Constraints?
what is a control file ? : Sql dba
Oracle (3253)
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)