MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following must be enclosed in double quotes?
A
Dates
B
Column Alias
C
Strings
D
A & C
E
All of the above
Explanation: 

Detailed explanation-1: -D. All of the above. See what the community says and unlock a badge.

Detailed explanation-2: -As we shall see below, the use of double quotes in fact offers several advantages, and this is the usage I recommend here. The chief use of quotation marks is quite easy to understand: a pair of quotation marks encloses a direct quotation-that is, a repetition of someone’s exact words.

Detailed explanation-3: -Double quotes in Oracle Double-quotes are used to enclose identifiers like table name/table alias or column name/column alias.

Detailed explanation-4: -Use double quotation marks (“”) around a direct quote. A direct quote is a word-for-word report of what someone else said or wrote. You use the exact words and punctuation of the original. Harriet Jacobs writes, “She sat down, quivering in every limb” (61).

Detailed explanation-5: -Single quotes are used to enclose a quote within a quote, a quote within a headline, or a title within a quote.

There is 1 question to complete.