⟩ What is File Manager?
It is a program module, which manages the allocation of space on disk storage and data structure used to represent information stored on a disk.
It is a program module, which manages the allocation of space on disk storage and data structure used to represent information stored on a disk.
What is the output of the following query SELECT TRUNC(1234.5678,-2) FROM DUAL;?
What is the parameter substitution symbol used with INSERT INTO command?
What is referential integrity constraint?
What is difference between CHAR and VARCHAR2? What is the maximum SIZE allowed for each type?
What is SQL ROWID?
Explain CONNECT BY PRIOR?
What is ON DELETE CASCADE?
For which trigger timing can you reference the NEW and OLD qualifiers?
What is difference between TRUNCATE & DELETE?
If unique key constraint on DATE column is created, will it validate the rows that are inserted with SYSDATE?