sql / beginner
Snippet
Improving Search Performance with Single-Column B-Tree Indexes
Indexes improve data retrieval speed by providing a fast lookup structure on columns frequently filtered in search conditions, reducing the need for full table scans.
snippet.sql
sql
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CREATE INDEX idx_users_emailON users (email);
Breakdown
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CREATE INDEX idx_users_email
Creates an index object named idx_users_email in the database.
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ON users (email);
Specifies the targeted table 'users' and the column 'email' to be indexed.