Which DDL command is used to display all the contents of the table

Transcribed Image Text: QUESTION 15
Which DDL command is used to display all the contents of the table?
O UPDATE
DISPLAY
INSERT
O SELECT
QUESTION 16
Physical layer of data abstraction handles with .
How the data will be stored
Relationship of keys inside the table
Parts of the data inside the table
Which type of data to store Transcribed Image Text: Which symbol is used to perform natural join?
Σ
п
QUESTION 13
Which type of SQL command is used to create a table, delete the table, and alter the table?
O DML
DDL
Ο TCL
O DQL
QUESTION 14
Which one of the following statement is CORRECT:
It can be used in where clause
It will degrade the performance of the query
O It removes duplicate values depending on the columns in the select statement
O It will not remove dunlicate denending on the columns in the select statement

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