eid ename esalary email dob1 XYZ 3000.89 [email protected] 1990-08-302 ABC 2300.90 [email protected] 1980-03-211] Write Query to insert 2 Records in above table using single query.2]Write Query to update esalary to 4000.68 and dob to 1993-08-30 of employee whose eid is 1 in a single query.3] Write Query to delete all records from the table in single query.
Question
eid ename esalary email dob1 XYZ 3000.89 [email protected] 1990-08-302 ABC 2300.90 [email protected] 1980-03-211] Write Query to insert 2 Records in above table using single query.2]Write Query to update esalary to 4000.68 and dob to 1993-08-30 of employee whose eid is 1 in a single query.3] Write Query to delete all records from the table in single query.
Solution
1] To insert 2 records in the above table using a single query, you would use the following SQL command:
INSERT INTO tableName (eid, ename, esalary, email, dob)
VALUES
(1, 'XYZ', 3000.89, '[email protected]', '1990-08-30'),
(2, 'ABC', 2300.90, '[email protected]', '1980-03-21');
2] To update esalary to 4000.68 and dob to 1993-08-30 of employee whose eid is 1 in a single query, you would use the following SQL command:
UPDATE tableName
SET esalary = 4000.68, dob = '1993-08-30'
WHERE eid = 1;
3] To delete all records from the table in a single query, you would use the following SQL command:
DELETE FROM tableName;
Please replace "tableName" with the actual name of your table.
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