How to SELECT the first 3 columns in SQL?

How to SELECT 3 columns in SQL?

• Use the basic syntax: SELECT column1, column2, column3 FROM table_name to list multiple columns separated by commas.
• Apply this to your data range, for example: SELECT first_name, last_name, email FROM employees to get three specific columns.
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How to SELECT the first 5 columns in SQL?

• SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name. ...
• MySQL Syntax: SELECT column_name(s) FROM table_name. ...
• Oracle 12 Syntax: SELECT column_name(s) FROM table_name. ...
• Older Oracle Syntax: SELECT column_name(s) ...
• Older Oracle Syntax (with ORDER BY): SELECT *
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How to extract the first 3 characters in SQL?

• The SUBSTRING() function is a versatile tool for extracting a portion of a string. ...
• Another function we can use to accomplish the same task is LEFT(). ...
• When working with real-world data, we often encounter null values.
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How to SELECT only the first 5 characters in SQL?

Using LEFT Function The LEFT() function is used to extract a specific number of characters from the beginning of a string. This function is supported by several databases, including MySQL, MS SQL Server, and Access, but not by Oracle. Lees verder »