How many rows will return from dual table?
Answers were Sorted based on User's Feedback
Answer / sen
SELECT ROWNUM, LEVEL
FROM DUAL
CONNECT BY LEVEL < 5;
| Is This Answer Correct ? | 9 Yes | 2 No |
Answer / manoj
Any single row manipulation will work with dual. So only one
out put will work.
| Is This Answer Correct ? | 6 Yes | 1 No |
Answer / amit kumar shrivastava
Oracle Provide DUAL table with only one row and one column.
So it will always return one row.
| Is This Answer Correct ? | 1 Yes | 0 No |
What are sql queries used for?
Can we commit in trigger?
what is a control file ? : Sql dba
why should required nested tables, Object types, partition tables and varying arrays. what is the difference between these are all. give me example with explanation.
How to use transactions efficiently : transact sql
Why should I use postgresql?
What is correlated sub-query?
what is uncommittable transactions? : Transact sql
What is the purpose of the sql select top clause?
Can I learn sql in a week?
Why plvtab is considered as the easiest way to access the pl/sql table?
what are numeric data types? : Sql dba
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)