Answer Posted / vzxcgv

zdDSGFD

Are null values same as that of zero or a blank space?

990

---

How does index help in query performance?

991

---

What are expressions?

972

---

What is sqlca in db2?

918

---

What is clustered and nonclustered index in sql?

916

---

How does cross join work?

895

---

What are triggers and its types?

1020

---

Is sql a backend language?

1063

---

How do you remove duplicate records from a table?

907

---

Which query operators in sql is used for pattern matching?

923

---

how to calculate expressions with sql statements? : Sql dba

1007

---

What is cascade in sql?

933

---

Write the command to remove all players named sachin from the players table.

1144

---

how to use regular expression in pattern match conditions? : Sql dba

1000

---

What is pragma in pl sql?

1060

---