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 to create a table using constraints... IF i change the PARENT KEY value ,then CHILD KEY table will also to change in the another table... plz reply ur answers @ mak2786@gmail.com Arunkumar
Which sql statement is used to return only different values?
What are the conditions an underlying table must satisfy before a cursor can be used by a positioned update or delete statement? : Transact sql
I Have A Table Like This. Cityno Cityname Mails 1 Bangalore 8km 2 Hsr Layout 20km 3 Mejistic 30km 4 Jayadeva 55km 5 Itpl 80km 6 Hebbal 115km I Have Data Like This I Want O/p Like This Distance No.ofcity 0-50km 3 51-100km 2 101-150km 4 And So On
What program will open a mdb file?
Explain how procedures and functions are called in a PL/SQL block ?
What is a database trigger?
What are different types of refreshment techniques of materialised view
What is mutating table error?
What is sql profiling in oracle?
What are the benefits of triggers?
can i create trigger on synonym is it possible or not please help me
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)