Answer Posted / nitin

There is
1)DML trigger: with before/after,for each row/for statement,and for 3 types of DML operation.
2)Instead of trigger.
3)Database level trigger: Triggers on DDL statement.
4)System level trigger.

If a cursor is open, how can we find in a pl/sql block?

1252

---

Is primary key clustered index?

1028

---

What is the current version of postgresql?

1188

---

Can we use distinct and group by together?

1147

---

What is the best sql course?

1064

---

Can we rollback truncate?

1083

---

What is the current version of sql?

1106

---

what are all the common sql function? : Sql dba

1141

---

Is inner join faster than left join?

1287

---

how many tables will create when we create table, what are they? : Sql dba

1156

---

How do I remove duplicates in two columns?

1202

---

what is sql server agent? : Sql dba

1189

---

how to escape special characters in sql statements? : Sql dba

1124

---

how to start mysql server? : Sql dba

1279

---

what are aggregate and scalar functions? : Sql dba

1142

---