--- sourceDocument: Xanadu ServiceNow AI Platform Administration sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/xanadu/platform-administration Release : - xanadu ft:locale : - en-US ft:publication_title : - Xanadu ServiceNow AI Platform Administration ft:clusterId : - platadm bundleId : - platadm workflow : - Platform --- # Installed with Zing # Installed with Zing {#ariaid-title1} * Release version: Xanadu * * Updated August 1, 2024 * * ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read Several types of components are installed with Zing. {#installed-with-zing__table_fsw_xnt_bz__entry__2} | Table | Description | |-|-| | Text Index \[ts_index_name\] | Stores the tables the system indexes. | | Index Stop Word \[ts_index_stop\] | Stores the stop words for a specific table. | | Stop Word \[ts_stop\] | Stores the global stop words. | | Text Search Groups \[ts_group\] | Stores search groups for global text search. | | * ts_attachment * ts_chain_summary * ts_chain * ts_deleted_doc * ts_document * ts_index_stats * ts_phrase * ts_search_stats * ts_search_summary * ts_word_roots * ts_word {#installed-with-zing__ul_wh4_1lk_54} | System tables that support Zing. Extending or modifying these tables isn't recommended. | [Table 1. Tables installed with Zing] {#installed-with-zing__table_fsw_xnt_bz} {#installed-with-zing__table_bhx_5pt_bz__entry__2} | Business Rule | Description | |-|-| | Text Search Property Change Rationally | Ensures that valid values are entered for Zing text search properties. | | Text Index Stop Reminder | Warns the user of stop word changes that require the index to be rebuilt (table-specific). The warning is issued if record is deleted that had a stop mode "neither index nor query", if record's stop mode is updated to something else and was "neither index nor query", and if record's word is updated to something else and stop mode is "neither index nor query". | | Stop Word Reminder | Warns the user of stop word changes that require the index to be rebuilt (global). The warning is issued if record is deleted and it was active, if record is inactivated, and if record's word is changed and was active. | [Table 2. Business rules installed with Zing] {#installed-with-zing__table_bhx_5pt_bz} {#installed-with-zing__table_z4k_hqt_bz__entry__2} | Scheduled job | Description | |-|-| | TS Search Stats | Compiles type-ahead suggestions each night. See [Update A Type-Ahead Suggestion](https://servicenow-prod.fluidtopics.net/JlKNd3V0THfJ236IXrHeUA "The knowledge base and global text searches provide suggestions as you type. These type-ahead suggestions are compiled on a nightly basis by a scheduled job."). | | TS Index Stats | Collects statistics and performs maintenance for text search and indexing. Runs nightly. | | text index events process | Collects statistics and performs maintenance for text search and indexing. Runs every 30 seconds. | | TS Chain Summary | Compiles search chain statistics each hour. | [Table 3. Scheduled jobs installed with Zing] {#installed-with-zing__table_z4k_hqt_bz} {#installed-with-zing__table_hhz_tqt_bz__entry__2} | UI action | Description | |-|-| | Regenerate Text Index | Displays the Regenerate Text Index link on Text Index forms. | [Table 4. UI action installed with Zing] {#installed-with-zing__table_hhz_tqt_bz} * **[Zing roles](https://servicenow-prod.fluidtopics.net/PZ8X~kJvGVSOAPRJGfz6zw#roles-zing)** Zing is installed with these roles. **Related concepts** * [Available search options](https://servicenow-prod.fluidtopics.net/YXLvLR59kI_DRCWicLOVWw "Zing offers users several search interfaces and search operators to conduct text searches.") * [Global search finds records from multiple tables](https://servicenow-prod.fluidtopics.net/2bOiNrNnOg~tzsnBhO0tfg "Search multiple record types from a single search field.") * [Zing generates search results in four phases](https://servicenow-prod.fluidtopics.net/I4v9owTFQI69LAd1QCDt6Q "Generate search results by dividing documents among shards, searching shard documents, scoring shard documents, and merging scores into an index.") * [Zing filters search results with access controls](https://servicenow-prod.fluidtopics.net/ClO4ivYixkQWnXafYN3MuA "Zing filters search results to only display records the user can access.") * [Zing computes document scores using three components](https://servicenow-prod.fluidtopics.net/MDC5irr1oMVYfPi~eobWAQ "The Zing search engine computes document scores based on the frequency, sequence, and weight of search terms in the document.") * [Zing indexes words](https://servicenow-prod.fluidtopics.net/AB8NyACY6I7vgRVk1I020g "Index documents by dividing them into words. Depending on the languages your instance supports, a word may be a single character such as a Chinese or Japanese pictogram or a sequence of characters separated by spaces such as with Latin, Arabic, and Pinyin languages.") * [Zing can include attachments in search results](https://servicenow-prod.fluidtopics.net/HKHetJGR~OH_SaAsHKC7cw "Search content from attachments on indexed tables. Display attachments for search results from the Knowledge [kb_knowledge] table.") * [Zing removes stop words from queries](https://servicenow-prod.fluidtopics.net/bW0xB8UoGIAvpHhwGVq1hA "Remove common words from search queries that don't produce meaningful results.") * [Zing matches derived words with stemming](https://servicenow-prod.fluidtopics.net/LYNgNn~YvuiOkiw6arsNjQ "Convert any multiple-character search keyword to its stem form to find derived versions of the word.") * [Zing can expand search results with synonyms](https://servicenow-prod.fluidtopics.net/IHMRIcjmC28_0vLgAJvnmA "Expand search results to include additional search terms.") * [Zing displays search suggestions as users enter search terms](https://servicenow-prod.fluidtopics.net/qsQ4UBV2fIiEZnoAIS4aTw "Display possible search query completions as users enter search terms.") **Related reference** * [Features of Zing text indexing and search engine](https://servicenow-prod.fluidtopics.net/5tAYuwDuw~mJ502TnRGtew "Enable and configure Zing text indexing and search engine features.")