When you first design and build a database, you plan one or more tables, you plan the fields (columns) for each table, and you set a data type for each field. For example, if you need to store dates and times, you set a field to the Date/Time data type....
Data and field types Metabase distinguishes between two types of column metadata: data types and field types. Data types are the underlying column type as defined in your database, like Date or Text. Metabase reads...
show field keys on <database> from <measurement> 下面演示一下查看的姿势 代码语言:javascript 代码运行次数:0 运行 AI代码解释 > show field keys from yhh name: yhh fieldKey fieldType --- --- age float blog string id float 3. point https://docs.influxdata.com/influxdb/v1.7/concepts/glossa...
Change a field type The types of visualizations that can be created using data from a given field are dependent on the field type. In some situations, the type assigned to the field is not the optimal type for the analysis you want to perform or the visualizations you want to create. The...
BigText data type Blob data type Boolean data type Byte data type Char data type Code data type Codeunit data type CompanyProperty data type Cookie data type Database data type DataTransfer data type Date data type DateFormula data type DateTime data type Debugger data type Decim...
database= "Database" フィールドの種類が Database であることを表します。 [API セット: WordApi 1.5] date= "Date" フィールドの種類が Date であることを表します。 [API セット: WordApi 1.5] displayBarcode= "DisplayBarcode"
Select the adjacent cell in theData Typecolumn, and then selectDate/TimeorDate/Time Extendedfrom the list. Save your changes. Add a Date/Time field to a new table On theCreatetab, in theTablesgroup, clickTable. ClickSave , and in theSave Asdialog box, enter a name for the...
TypeSearchable VersionColumnNotPseudo VersionColumnPseudo VersionColumnUnknown DataTruncation Date DriverManager DriverPropertyInfo IArray IBlob ICallableStatement IClob IConnection IDatabaseMetaData IDriver IDriverExtensions INClob IParameterMetaData IPreparedStatement ...
When choosing the correct type of number field to use, the choice to use aWhole NumberorCurrencytype should be pretty straightforward. The choice between usingFloating PointorDecimalnumbers requires more thought. Decimal numbers are stored in the database exactly as specified. Floating point numbers...
In the Field Name column of the designer, enter the name of Long Text field. For example: “Address”, “Notes” or “Comments”. Click the Data Type column next to the field name and choose Long Text from the list. Save your changes. Add to a new table On the Create tab, i...