Answer Posted / sridhark
NUll means 'UNknown' or 'Missing value' or 'Not known'
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What are a cluster and non-cluster index?
What are the restrictions in a oracle read only transaction?
How to create a new table in your schema?
Database is hung. Old and new user connections alike hang on impact. What do you do? Your SYS SQLPLUS session IS able to connect.
How to list all tables in your schema?
what is difference between sql plus and sql*plus? (not sql and sql plus).
Why do I get unexpected characters from 8-bit character sets in weblogic jdriver for oracle?
Assuming today is Monday, how would you use the DBMS_JOB package to schedule the execution of a given procedure owned by SCOTT to start Wednesday at 9AM and to run subsequently every other day at 2AM.
State and explain the different types of data models?
How to use fetch statement in a loop?
What is the difference between hot backup and cold backup in oracle?
What privilege is needed for a user to insert rows to tables in another schema?
How to bring a tablespace online?
What is a tns service name?
1) What is ONE_SIZE_FITS_ALL approach? 2) Explain the Common & Variable Header of DATA FILE? 3) What are the Drawbacks to using OMF DB? and the Advantages? 4) List out the Advantages of Undo T.spaces over the Undo SEGMENT? 5) Difference between the Temporary tablespace with TEMPFILE and the Tablespace with TEMPORARY Keyword? 6) What are the situation extents are freeing for reuse.