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- Question
Insert command falls in which sub-language of SQL ?
Options- A. DCL
- B. DQL
- C. DML
- D. DDL
- Correct Answer
- DML
- 1. Define Executive Plan in Database SQL ? Solve it....
- 2. In the following pieces of code, B and D will compile without any error. True or false ? A: StringBuffer sb1 = "abcd"; B: Boolean b = new Boolean("abcd"); C: byte b = 255; D: int x = 0x1234; E: float fl = 1.2; Solve it....
- 3. What is the output after compile and run the following code ? int Output = 10; boolean b = false; if((b == true) && ((Output += 10) == 20)) { System.out.println("We are equal " + Output); } else { System.out.println("Not equal! " + Output); } Solve it....
- 4. Why do you need common fields in a Database? Solve it....
- 5. Difference between Candidate key and Primary key? Solve it....
- 6. In R-DBMS, the data is organized in the form of _____. Solve it....
- 7. What are the different types of SQL statements ? Solve it....
- 8. How many joining conditions are required to join 4 tables in SQL? Solve it....
- 9. What command would you use to create a backup control file? Solve it....
- 10. What is an Oracle index? Solve it....
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