- #RAZORSQL FIREBIRD AUTOINC COLUMN CREATION HOW TO#
- #RAZORSQL FIREBIRD AUTOINC COLUMN CREATION UPDATE#
Using the menu to the left from the Field Editor window you can specify different field properties. Negative value: User-defined blob subtypes.Ī BLOB segment size can be defined to increase the performance when inputting and outputting blob data. Text: Alternative for defining subtype 1 Generators are also named SEQUENCES in Firebird 2.0 and above - and are compliant to the SQL standard.
#RAZORSQL FIREBIRD AUTOINC COLUMN CREATION HOW TO#
The following subtypes are predefined in InterBase/Firebird:Ġ: Standard blob, non-specified binary data How to create an autoincrement column Firebird does support autoincrement columns via BEFORE INSERT TRIGGERs and GENERATORs. A subtype is a positive or negative numerical value, which indicates the type of BLOB data.
If you have a table in Firebird database whose primary key column is filled by a unique Firebird generator, Telerik Data Access can automatically detect that the table has a server side generated primary key mechanism. For Oracle, Firebird, and Interbase, it is required to manually specify auto-incremental columns. The autoinc mechanism in Firebird is based on generators and triggers. When FetchOptions.Items is set to fiMeta, the column is recognized as auto-incremental.
#RAZORSQL FIREBIRD AUTOINC COLUMN CREATION UPDATE#
The subtypes are used to categorize the data type when defining BLOBs. When pfInUpdate is the value of TField.ProviderFlags, the column is excluded from the INSERT / UPDATE clause. You can use any identifier that is allowed by Firebird server. Note: the name of the object must be unique among all the object names in the table. In that case, the above trigger would not work: it would find that the ID column does not have the state NULL, but the value 0, so it would not generate a new ID. Those not explicitly set by you get default values usually 0 for integer columns.
The software provides users with intuitive tools with. Some access components have the bad habit to auto-fill all the columns in an INSERT.
RazorSQL software has been tested on more than 30 databases and can be connected to a database via JDBC and ODBC. To specify the Data Type, select it from the drop-down list. RazorSQL is a powerful SQL query software, database browser, professional SQL editor, and database management tool for Windows, Mac, Linux, and Solaris operating systems. Press the Delete key or select the Drop Field item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar)Īnd confirm dropping in the dialog window.