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CREATE INDEX index_name ON table_name(column1, column1,);
CREATE INDEX idx_uname ON users (first_name, last_Name);
ALTER TABLE users DROP INDEX idx_uname
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# index_name will identify your index for future reference
CREATE INDEX index_name ON table_name (column_name);
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ALTER TABLE `table` ADD INDEX `product_id_index` (`product_id`)
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CREATE TABLE emp_details (
id INT,
full_name VARCHAR(50),
email VARCHAR(50),
mobile INT NOT NULL,
PRIMARY KEY (id),
INDEX (id, email)
);
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CREATE INDEX idx_CustomerName ON Customers (CustomerName);
-- Kindly upvote this answer if it helped you.
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create index your_index_name on your_table_name(your_column_name) using HASH;
or
create index your_index_name on your_table_name(your_column_name) using BTREE;
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CREATE INDEX index_name ON table_name(column_name);
CREATE INDEX curd_user_email_index ON user_crud(email);
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Indexes are used to find rows with specific column values quickly. Without an index, MySQL must begin with the first row and then read through the entire table to find the relevant rows. The larger the table, the more this costs.