SQL Commands Every                  Developer Should                 Grasp for Job Success

10

SELECT

Query Data Like a Pro. The SELECT statement retrieves data from a database, a fundamental skill for developers.

1

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INSERT

Add Data with Precision. INSERT allows you to add new records to a table, ensuring data accuracy.

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2

Keep Data Current. UPDATE command allows you to modify existing records and maintain data integrity.

UPDATE

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3

Remove Data Safely. DELETE helps you efficiently remove unwanted data without compromising the database.

DELETE

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4

Combine data sources. JOIN helps you to merge data from multiple tables, a crucial skill for complex queries.

JOIN

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5

Aggregate and analyze. GROUP BY lets you group data and perform aggregate functions for insightful analysis.

GROUP BY

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6

Sort your results. Use ORDER BY to arrange query results in ascending or descending order.

ORDER BY

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7

Filter data effectively. WHERE enables you to specify conditions for data retrieval, and optimizing queries.

WHERE

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8

Design database structures. CREATE TABLE allows you to define table structures, a key step in database design.

CREATE TABLE

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9

Modify table structures. With ALTER TABLE, you can adapt database structures as project requirements change.

ALTER TABLE

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10

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