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vlabodo [156]
3 years ago
14

Describe the six clauses in the syntax of an SQL retrieval query. Show what type of constructs can be specified in each of the s

ix clauses. Which of the six clauses are required and which are optional?
Computers and Technology
1 answer:
mash [69]3 years ago
7 0

Answer:

A query in SQL consists of up to six clauses.

There are presently six clauses that you can utilize in an SQL statement. These six clauses in no particular order are SELECT, FROM, WHERE, GROUP BY, HAVING, and ORDER BY. These clauses have to be coded in a precise sequence.

Explanation:

• SELECT < attribute list >

• FROM < table list >

• [ WHERE < condition > ]

• [ GROUP BY < grouping attributes (S) > ]

• [ HAVING < group condition > ]

• [ ORDER BY < attribute list > ]

you must also note that; You will have to connect to a database before you can utilize the SQL statements to query or manipulate data.

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Gala2k [10]

Answer:

Author

Date and

Source

Explanation:

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5 0
3 years ago
Consider the language S*, where S = {a ab ba}.
Nezavi [6.7K]

Answer:

Check Explanation

Explanation:

A) the string (abbba) is not a word in this language because in this language, each b must preceded or followed by an a. Three consecutive b's are just not possible.

B) All the words with 3 letters in this language

aaa

aab

aba

baa

C) 5 words with four letters from this language. I'll write as many as possible to make things as easy as possible.

aaaa

aaab

aaba

baab

baba

baaa

abaa

abab

abba

D) This is the language of words without bbb, with every bb preceded and followed by an a (that is, no word can start or end wilth bb). All non-empty strings contain at least one a (so b and bb together are not allowed!).

Hope this Helps!!!

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