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Select
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SELECT: SELET IS A FIELD OR A NUMBER OF FIELDS FROM THE DATABASE OR TABLE. SELECT STDNAME,STUDENTID,STDGPA FROM STUDENT WHERE: NARROWS DOWN THE QUERY TO A SPECIFIC OR A NUMBER OF SPECIFIC RECORDS. SELECT STUDENTID, STDADDRESS FROM STUDENT WHERE STDNAME = ‘ADAM SMITH’ AND: BOTH CONDITIONS MUST MEET TO GET A RESULT OR: ANY CONDITION IS SUFFICIENT TO GET A RESULT. SELECT FACNAME FROM FACULTY WHERE FACULTYID = ‘222’ AND ‘223’ SINCE THERE CANNOT BE TWO ID’S OF ONE PERSON, AND MUST BE CHANGE WITH OR. SELECT FACNAME FROM FACULTY WHERE FACULTYID = ‘222’ OR ‘223’ SELECT AVG(STDGPA) FROM STUDENT SUM() MIN()
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Select
Transcript of Select
SELECT: SELET IS A FIELD OR A NUMBER OF FIELDS FROM THE DATABASE OR TABLE.
SELECT STDNAME,STUDENTID,STDGPA
FROM STUDENT
WHERE: NARROWS DOWN THE QUERY TO A SPECIFIC OR A NUMBER OF SPECIFIC RECORDS.
SELECT STUDENTID, STDADDRESS
FROM STUDENT
WHERE STDNAME = ‘ADAM SMITH’
AND: BOTH CONDITIONS MUST MEET TO GET A RESULT
OR: ANY CONDITION IS SUFFICIENT TO GET A RESULT.
SELECT FACNAME
FROM FACULTY
WHERE FACULTYID = ‘222’ AND ‘223’
SINCE THERE CANNOT BE TWO ID’S OF ONE PERSON, AND MUST BE CHANGE WITH OR.
SELECT FACNAME
FROM FACULTY
WHERE FACULTYID = ‘222’ OR ‘223’
SELECT AVG(STDGPA)
FROM STUDENT
SUM()MIN()
MAX()
COUNT()
BETWEEN: WHEN USED IN THE WHERE CLAUSE SPECIFIES A NUMERICAL RANGE IN WHICH TO FIND RESULT.
DISTINCT: WHEN USED IN THE SELECT STATEMENT FIND OUT ONLY DISTINCT (UNIQUE) VALUES.
EG. SELECT DISTINCT STDNAME
FROM STUDENT
