Which Java statement is used to update data in a database table?Question 5Answera.ALTER TABLEb.UPDATEc.MODIFYd.CHANGE
Question
Which Java statement is used to update data in a database table?
Question 5
Answer
- a. ALTER TABLE
- b. UPDATE
- c. MODIFY
- d. CHANGE
Solution
The correct answer is b. UPDATE.
In Java, to update data in a database table, you use the UPDATE SQL statement. The general syntax is:
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
Here, table_name
is the name of the table where you want to update data. column1
, column2
are the columns of the table that you want to update. value1
, value2
are the new values for the respective columns. The WHERE
clause specifies which record or records that should be updated. If you omit the WHERE clause, all records will be updated.
Similar Questions
What does the "Update" operation in CRUD involve in Java?Question 15Answera.Deleting datab.Modifying existing datac.Inserting new datad.Retrieving data
Which SQL command is used to update data in a database table? 1 pointUPDATE command EDIT command MODIFY command
Which MySQL command is used to modify the structure of a table?MODIFY TABLECHANGE TABLEALTER TABLEUPDATE TABLE
Which DDL command is not used to modify the data type of a column in a table?a.ALTER COLUMNb.MODIFY COLUMNc.CHANGE COLUMNd.UPDATE COLUMN
Which of the following statements are DML statements?a)Update [tablename] set [columnname] = value;b)Delete [tablename]c)Select * from [tablename]
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.