What does “select count(*) from tab” result?
Answers were Sorted based on User's Feedback
Answer / rahul koshti
This results the total count of tables,views,synonyms and
sequences present in a schema.
| Is This Answer Correct ? | 19 Yes | 3 No |
Answer / ashwin
No of tables and views in schema...........i've tasted
it........
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / deepshikha
it will result the count of TABLE,CLUSTER,VIEW,SYNONYM
in given schema
| Is This Answer Correct ? | 3 Yes | 3 No |
Answer / nisha
This results the total count of tables,views,synonyms
present in a schema.
| Is This Answer Correct ? | 3 Yes | 4 No |
Answer / umesh h
suppose a table is there with the name tab
then count of rows in that table will be displayed.
else count of all the logical objects under one schema
will be displayed.
| Is This Answer Correct ? | 3 Yes | 4 No |
Answer / shanmukha srinivas
select count(*) from tab --it's gives total no of tables only ....not gives
sequence,cluster,views....etc
ok understand.
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / brajesh kr.
select count(1) from table. will return values without null
values. count(*) will return values aceept null also.
| Is This Answer Correct ? | 0 Yes | 2 No |
How can you create an empty table from an existing table?
How do you delete a table?
Is drop table faster than truncate?
Is a table valued function object?
Can you rollback after commit?
What is a Mapplet?
what is the difference between trigger and constraint?
How do I add a primary key to a table?
Explain the order of sql statement execution?
What is case function?
What do you understand by pl/sql records?
What is the difference between instead of trigger and after trigger?
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)