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This article is about how to use the top clause in select. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

The TOP clause is a function of the database language that specifies the number of records to return.

What is the selecttop clause?

The TOP clause is used to specify the number of records to return.

The top clause is very useful for large tables with thousands of records.

Note: not all database systems support the TOP clause.

The syntax of SQLServer:

SELECTTOPnumber | percentcolumn_name (s) FROMtable_name

Equivalent

MySQL syntax

SELECTcolumn_name (s) FROMtable_nameLIMITnumber

Example SELECT*FROMPersonsLIMIT5

Oracle syntax

SELECTcolumn_name (s) FROMtable_nameWHEREROWNUM

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