⟩ What are cursors give different types of cursors?
PL/SQL uses cursors for all database information accesses statements. The language supports the use two types of cursors
► Implicit
► Explicit
PL/SQL uses cursors for all database information accesses statements. The language supports the use two types of cursors
► Implicit
► Explicit
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?
When invoking this procedure, you encounter the error?