> ## Documentation Index > Fetch the complete documentation index at: https://docs.getcollate.io/llms.txt > Use this file to discover all available pages before exploring further. # Profiler Tab | Data Profiling Interface > Use the profiler tab to configure, view, and manage profiling metrics including null counts, uniqueness, and stats. # Profiler Tab The Data Observability tab is displayed only for Tables. It has three sub-tabs for **Table Profile, Column Profile, and Data Quality**. ## Table Profile Tab The **Table Profile** tab displays structural metrics and timeseries charts for a table, giving a clear picture of how data volume and composition change over time. Table Profile The tab shows the following: * **Row Count**: The total number of rows in the table, tracked over the selected date range. * **Column Count**: The total number of columns in the table. * **Profile Sample Type**: The portion of data profiled, shown as a percentage or an absolute row count. * **Size**: The total size of the table on disk. * **Created Date**: The date the table was first created. * **Data Volume**: A timeseries chart showing how row count evolves over the selected time period. Table Profile: Data Volume * **Table Updates**: A timeseries chart showing the number of inserts, updates, and deletes that occurred in the table over time. Table Profile: Table Updates * **Volume Change**: A timeseries chart showing the volume of data affected by inserts, updates, and deletes over the selected period. Table Profile: Volume Change ## Column Profile Tab The **Column Profile** tab shows profiling metrics for every column in a table, making it easy to spot data quality issues at the column level. Column Profile of a Table The tab lists all columns with the following metrics: * **Name**: The unique identifier for the column within the table. * **Data Type**: The kind of data stored in the column, such as integer, string, boolean, or timestamp. * **Null %**: The share of rows where this column has no value. * **Unique %**: The share of values that appear exactly once in the column. * **Distinct %**: The share of values that are different from each other, regardless of how often they repeat. * **Value Count**: The number of rows that contain a non-null value in this column. * **Success / Failed / Aborted**: Results of the most recent data quality test run on this column. Select any column to open its detailed profile. Column Profile of a Column The detail view shows the column's description, glossary terms, and tags alongside a **Data Quality Tests** summary. It also displays the following timeseries charts: * **Data Counts**: A chart showing the number of Distinct, Null, Unique, and total Values in the column over time. Column Profile: Data Counts * **Data Proportions**: A chart showing the Distinct %, Null %, and Unique % ratios in the column over time. Column Profile: Data Proportions * **Data Range**: A chart showing the Minimum, Maximum, and Mean character lengths for string columns — useful for text and NLP analysis. Column Profile: Data Range * **Data Aggregate**: A chart showing the sum of numeric column values over time. Column Profile: Data Aggregate * **Data Quartiles**: A chart showing the First Quartile, Median, Inter Quartile Range, and Third Quartile to reveal how values are spread. Column Profile: Data Quartiles * **Data Distribution**: A histogram showing how character lengths are distributed within the column. Column Profile: Data Distribution