The unique key which identifies this column within its family. This is the
same key that's used to identify the column in, for example, a RowFilter
which sets its column_qualifier_regex_filter field.
May contain any byte string, including the empty string, up to 16kiB in
length.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-12 UTC."],[[["\u003cp\u003eThe latest version of the Google Bigtable v2 API class Column is 3.17.0.\u003c/p\u003e\n"],["\u003cp\u003eThis documentation covers the \u003ccode\u003eColumn\u003c/code\u003e class, which specifies the contents of a single row/column intersection of a table in Google Bigtable v2 API.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eColumn\u003c/code\u003e class implements several interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eColumn\u003c/code\u003e class contains properties such as \u003ccode\u003eCells\u003c/code\u003e, a \u003ccode\u003eRepeatedField\u003c/code\u003e of \u003ccode\u003eCell\u003c/code\u003e objects sorted by decreasing timestamp, and \u003ccode\u003eQualifier\u003c/code\u003e, a \u003ccode\u003eByteString\u003c/code\u003e representing the column's unique key.\u003c/p\u003e\n"],["\u003cp\u003eThere are multiple previous versions available for \u003ccode\u003eGoogle.Cloud.Bigtable.V2.Column\u003c/code\u003e such as versions 3.16.0 down to 2.2.0.\u003c/p\u003e\n"]]],[],null,["# Google Bigtable v2 API - Class Column (3.23.0)\n\nVersion latestkeyboard_arrow_down\n\n- [3.23.0 (latest)](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/latest/Google.Cloud.Bigtable.V2.Column)\n- [3.22.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.22.0/Google.Cloud.Bigtable.V2.Column)\n- [3.21.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.21.0/Google.Cloud.Bigtable.V2.Column)\n- [3.20.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.20.0/Google.Cloud.Bigtable.V2.Column)\n- [3.19.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.19.0/Google.Cloud.Bigtable.V2.Column)\n- [3.18.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.18.0/Google.Cloud.Bigtable.V2.Column)\n- [3.17.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.17.0/Google.Cloud.Bigtable.V2.Column)\n- [3.16.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.16.0/Google.Cloud.Bigtable.V2.Column)\n- [3.15.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.15.0/Google.Cloud.Bigtable.V2.Column)\n- [3.14.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.14.0/Google.Cloud.Bigtable.V2.Column)\n- [3.13.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.13.0/Google.Cloud.Bigtable.V2.Column)\n- [3.12.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.12.0/Google.Cloud.Bigtable.V2.Column)\n- [3.11.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.11.0/Google.Cloud.Bigtable.V2.Column)\n- [3.10.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.10.0/Google.Cloud.Bigtable.V2.Column)\n- [3.9.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.9.0/Google.Cloud.Bigtable.V2.Column)\n- [3.8.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.8.0/Google.Cloud.Bigtable.V2.Column)\n- [3.7.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.7.0/Google.Cloud.Bigtable.V2.Column)\n- [3.6.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.6.0/Google.Cloud.Bigtable.V2.Column)\n- [3.5.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.5.0/Google.Cloud.Bigtable.V2.Column)\n- [3.4.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.4.0/Google.Cloud.Bigtable.V2.Column)\n- [3.3.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.3.0/Google.Cloud.Bigtable.V2.Column)\n- [3.2.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.2.0/Google.Cloud.Bigtable.V2.Column)\n- [3.1.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.1.0/Google.Cloud.Bigtable.V2.Column)\n- [3.0.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/3.0.0/Google.Cloud.Bigtable.V2.Column)\n- [2.6.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/2.6.0/Google.Cloud.Bigtable.V2.Column)\n- [2.5.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/2.5.0/Google.Cloud.Bigtable.V2.Column)\n- [2.4.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/2.4.0/Google.Cloud.Bigtable.V2.Column)\n- [2.3.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/2.3.0/Google.Cloud.Bigtable.V2.Column)\n- [2.2.0](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/2.2.0/Google.Cloud.Bigtable.V2.Column) \n\n public sealed class Column : IMessage\u003cColumn\u003e, IEquatable\u003cColumn\u003e, IDeepCloneable\u003cColumn\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Google Bigtable v2 API class Column.\n\nSpecifies (some of) the contents of a single row/column intersection of a\ntable. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e Column \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[Column](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/latest/Google.Cloud.Bigtable.V2.Column), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[Column](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/latest/Google.Cloud.Bigtable.V2.Column), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[Column](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/latest/Google.Cloud.Bigtable.V2.Column), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.Bigtable.V2](/dotnet/docs/reference/Google.Cloud.Bigtable.V2/latest/Google.Cloud.Bigtable.V2)\n\nAssembly\n--------\n\nGoogle.Cloud.Bigtable.V2.dll\n\nConstructors\n------------\n\n### Column()\n\n public Column()\n\n### Column(Column)\n\n public Column(Column other)\n\nProperties\n----------\n\n### Cells\n\n public RepeatedField\u003cCell\u003e Cells { get; }\n\nMust not be empty. Sorted in order of decreasing \"timestamp_micros\".\n\n### Qualifier\n\n public ByteString Qualifier { get; set; }\n\nThe unique key which identifies this column within its family. This is the\nsame key that's used to identify the column in, for example, a RowFilter\nwhich sets its `column_qualifier_regex_filter` field.\nMay contain any byte string, including the empty string, up to 16kiB in\nlength."]]