TheSystem Dictionaryin ServiceNow stores and maintains themetadataabout tables and fields in the platform. It containsdefinitions for each table and column, including field data types, default values, and attributes.

Storestable and field definitions, including:

Column names

Data types(e.g., String, Integer, Reference)

Attributes(e.g., unique, read-only, required)

Default values

Ensuresdata integrityby defining the structure of database tables.

Used by administrators tomodify or extend existing tables.

Allows the creation ofcustom fieldsin tables.

Key Features of the System Dictionary (sys_dictionaryTable):

Navigate to:System Definition → Dictionary

Search for a table or fieldto view its metadata.

Modify attributes(if needed) to customize table behavior.

How to Access the System Dictionary:

A. The human-readable labels and language settings– Incorrect.

Human-readable labelsare stored in thesys_documentationtable, not the System Dictionary.

C. The information on how tables relate to each other– Incorrect.

Table relationshipsare stored in theSchema Map, not the System Dictionary.

D. The language dictionary used for spell checking– Incorrect.

Spell checking and translationsare managed insystem localization settings, not the System Dictionary.

Explanation of Incorrect Answers:

ServiceNow Product Documentation → System Dictionary (sys_dictionary)

ServiceNow CSA Study Guide → Understanding Tables and Fields

ServiceNow Developer Documentation → Dictionary and Table Structure

References from Certified System Administrator (CSA) Documentation:Would you like me to verify another question?????