Explain two virtual tables available at the time of database trigger execution.
Answer / kiran r
new. table & Old.table ate two virtual tables available at the time of trigger execution
| Is This Answer Correct ? | 0 Yes | 0 No |
How many types of primary keys are there?
What does the sign mean in sql?
What are the default Oracle triggers??
What are the set operators in sql?
Is primary key always clustered index?
What will you get by the cursor attribute sql%found?
What information is needed to connect sql*plus an oracle server?
What is type and rowtype in pl sql?
how to eliminate null values in a column i.e table vlaues 1 2 3 NULL 3 4 1 5 NULL i want output like this 1 2 3 3 4 1 5 i dnt want to use nvl is null and i dnt want replace the NULL value with any value i.e nvl(col,o);
what is an associative array with example?
Why do we need a foreign key?
What is substitution variable in pl sql?
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)