SQL Top and Limit
TOP and LIMIT statements determine the amount of records in the result. For example, you want to limit the result with 7 records. In MS SQL and PostgreSQL, use the LIMIT keyword at the end of the query:
1234--Find top-3 the eldest songs SELECT title, year FROM songs ORDER BY year LIMIT 3
In MySQL syntax, use TOP keyword with select to limit the number of output rows. You can also set a percentage: SELECT TOP 50 PERCENT.
During this course we will use the LIMIT statement.
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Find 5 first albums and their singers, which are sorted by naming, and return the result. Choose only albums from the 1970s.
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TOP and LIMIT statements determine the amount of records in the result. For example, you want to limit the result with 7 records. In MS SQL and PostgreSQL, use the LIMIT keyword at the end of the query:
1234--Find top-3 the eldest songs SELECT title, year FROM songs ORDER BY year LIMIT 3
In MySQL syntax, use TOP keyword with select to limit the number of output rows. You can also set a percentage: SELECT TOP 50 PERCENT.
During this course we will use the LIMIT statement.
Swipe to start coding
Find 5 first albums and their singers, which are sorted by naming, and return the result. Choose only albums from the 1970s.
Løsning
Bytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenforTakk for tilbakemeldingene dine!
Awesome!
Completion rate improved to 4.17single
