Help Center/ SecMaster/ User Guide/ Log Audit/ Query and Analysis Syntax/ Analysis Statements/ SELECT
Updated on 2025-09-24 GMT+08:00
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SELECT

The syntax of a complete analysis statement is as follows:

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SELECT [DISTINCT] (* | expression) [AS alias] [, ...]
[GROUP BY expression [, ...] [HAVING predicates]]
[ORDER BY expression [ASC | DESC] [, ...]]
[LIMIT size OFFSET offset]

SELECT indicates the field to be queried. The following part describes parameters and examples for the SELECT syntax.

Using * to query all fields.

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SELECT *
Table 1 Using * to query all fields

account_number

firstname

gender

city

balance

employer

state

lastname

age

1

Amber

M

Brogan

39225

Pyrami

IL

Duke

32

16

Hattie

M

Dante

5686

Netagy

TN

Bond

36

13

Nanette

F

Nogal

32838

Quility

VA

Bates

28

18

Dale

M

Orick

4180

null

MD

Adams

32

Querying a Specified Field

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SELECT firstname, lastname
Table 2 Querying a specified field

firstname

lastname

Amber

Duke

Hattie

Bond

Nanette

Bates

Dale

Adams

Using AS to Define Field Aliases

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SELECT account_number AS num
Table 3 Using AS to define field aliases

num

1

16

13

18

Using the DISTINCT Statement

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SELECT DISTINCT age
Table 4 Using the DISTINCT statement

age

32

36

28

Using SQL Functions

For details about functions, see Functions.

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SELECT LENGTH(firstname) as len, firstname
Table 5 Using SQL functions

len

firstname

4

Amber

6

Hattie

7

Nanette

4

Dale
Parent topic: Analysis Statements