Problem StatementYou are working with a database that contains a table named 'members.' Your task is to retrieve the column names of this table from the database's information schema. Additionally, there is a requirement to alter the data type of the 'zipcode' column in the 'members' table to 'int' and rename it as 'pincode.'Input format :The input tables are already prepopulated, as given in the problem statement.Output format :The output should display the column details after the alteration, showcasing the updated 'pincode' column in place of the original 'zipcode.'Sample Output 1COLUMN_NAMEaddressfirstnamejoindatememidpincoderecommendedbysurnametelephoneRefer to the sample output for the column headers.Sample test cases :Input 1 :Output 1 :COLUMN_NAMEaddressfirstnamejoindatememidpincoderecommendedbysurnametelephone
Question
Problem StatementYou are working with a database that contains a table named 'members.' Your task is to retrieve the column names of this table from the database's information schema. Additionally, there is a requirement to alter the data type of the 'zipcode' column in the 'members' table to 'int' and rename it as 'pincode.'Input format :The input tables are already prepopulated, as given in the problem statement.Output format :The output should display the column details after the alteration, showcasing the updated 'pincode' column in place of the original 'zipcode.'Sample Output 1COLUMN_NAMEaddressfirstnamejoindatememidpincoderecommendedbysurnametelephoneRefer to the sample output for the column headers.Sample test cases :Input 1 :Output 1 :COLUMN_NAMEaddressfirstnamejoindatememidpincoderecommendedbysurnametelephone
Solution
The problem statement is asking for a solution in SQL (Structured Query Language), which is a programming language used for managing and manipulating databases. Here are the steps to solve the problem:
Step 1: Retrieve the column names of the 'members' table from the database's information schema. This can be done using the following SQL query:
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'members';
Step 2: Alter the data type of the 'zipcode' column in the 'members' table to 'int' and rename it as 'pincode'. This can be done using the following SQL query:
ALTER TABLE members
CHANGE COLUMN zipcode pincode INT;
Step 3: After the alteration, retrieve the column names again to display the updated 'pincode' column in place of the original 'zipcode'. This can be done using the same SQL query as in step 1:
SELECT COLUMN_NAME
FROM INFORMATION_SCHEMA.COLUMNS
WHERE TABLE_NAME = 'members';
The output of this query will display the column details after the alteration, showcasing the updated 'pincode' column in place of the original 'zipcode'.
Similar Questions
You are working with a database that contains a table named 'members.'Write a query to change the column name zipcode to pincode in the members table.Input format :The input tables are already prepopulated, as given in the problem statement.Output format :The output should display the column details after the alteration, showcasing the updated 'pincode' column in place of the original 'zipcode.'Refer to the sample output for the column headers.Sample test cases :Input 1 :Output 1 :COLUMN_NAMEmemidsurnamefirstnameaddresspincodetelephonerecommendedbyjoindate
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Which of the following options is not correct?Select one:a.alter table emp modify name varchar(30);b.alter table emp drop column column_name;c.alter table emp drop column_name;d.alter table emp add column_name varchar(25);
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