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cfdbinfo

Last update:
May 18, 2026
Note:
This tag is unsupported in CFFiddle.

Description

Lets you retrieve information about a data source, including details about the database, tables, queries, procedures, foreign keys, indexes, and version information about the database, driver, and JDBC.

Category

Syntax

<cfdbinfo 
datasource="data source name" 
name="result name" 
type="dbnames|tables|columns|version|procedures|foreignkeys|index" 
dbname="database name" 
password="password" 
pattern="filter pattern" 
table="table name" 
username="username">
Note: You can specify this tag's attributes in an attributeCollection attribute whose value is a structure. Specify the structure name in the attributeCollection attribute and use the tag's attribute names as structure keys.

See also

cfinsertcfprocparamcfprocresultcfqueryparamcfstoredproccftransactioncfupdateOptimizing database use in the Developing ColdFusion Applications.

History

ColdFusion 8: Added this tag.

Attributes

Attribute
Req/Opt
Default
Description
datasource
Optional
Datasource to use to connect to the database.
name
Required
Name to use to refer to the result.
type
Required
Type of information to get:
  • dbnames: database name and type
  • tables: name, type, and remarks
  • columns: name, SQL data type, size, decimal precision, default value, maximum length in bytes of a character or integer data type column, whether nulls are allowed, ordinal position, remarks, whether the column is a primary key, whether the column is a foreign key, the table that the foreign key refers to, the key name the foreign key refers to
  • version: database product name and version, driver name and version, JDBC major and minor version
  • procedures: name, type, and remarks
  • foreignkeys: foreign key name and table, primary key name, delete, and update rules
  • index: name, column on which the index is applied, ordinal position, cardinality, whether the row represents a table statistic or an index, number of pages used by the table or index, whether the index values are unique
  • ClientInfo: The client information metadata for the specified data source.
dbname
Optional
Name of the database. Used only if the action = "This overrides the one mentioned as a part of datasource definition."
password
Optional
Password to connect to the database.
pattern
Optional
Used only if type = "tables", type = "columns", or type = "procedures". Specifies a filter to retrieve information about specific tables, columns, or stored procedures. Use an underline (_) to represent a single wildcard character and a percent sign (%) to represent a wildcard of zero or more characters.
table
Required if type = "columns" or type = "foreignkeys" or type = "index"
Name of the table from which you retrieve information.
username
Optional
no
User name to connect to the database.

Usage

Use the cfdbinfo tag to return a query object that contains information about a database. The query object varies, depending on the value that you specify in the type attribute. The following table lists the query object contents for each type:
Type
Column name
Description
dbnames
DATABASE_NAME
Name of the database.
TYPE
Type of the database, whether schema or catalog.
tables
TABLE_NAME
Name of the table.
TABLE_TYPE
Type of the table, including view, table, synonym, and system table.
REMARKS
Remarks of the table.
columns
COLUMN_NAME
Name of the column.
TYPE_NAME
SQL data type of the column.
IS_NULLABLE
Whether the column allows nulls.
IS_PRIMARYKEY
Whether the column is a primary key.
IS_FOREIGNKEY
Whether the column is a foreign key.
REFERENCED_PRIMARYKEY
If the column is a foreign key, the name of the table it refers to.
REFERENCED_PRIMARYKEY_TABLE
If the column is a foreign key, the key name it refers to.
COLUMN_SIZE
Size of the column
DECIMAL_DIGITS
Number of digits to the right of the decimal point.
COLUMN_DEFAULT_VALUE
Default value of column.
CHAR_OCTET_LENGTH
Maximum length in bytes of a character or integer data type column.
ORDINAL_POSITION
Ordinal position of the column.
REMARKS
Remarks of the column.
version
DATABASE_VERSION
Version of the database management system.
DATABASE_PRODUCTNAME
Name of the database management system.
DRIVER_VERSION
Version of the database driver.
DRIVER_NAME
Name of the database driver.
JDBC_MAJOR_VERSION
Major version number of the driver.
JDBC_MINOR_VERSION
Minor version number of the driver.
procedures
PROCEDURE_NAME
Name of the stored procedure.
REMARKS
Remarks for the stored procedure.
PROCEDURE_TYPE
Procedure type, which indicates whether the procedure returns a result.
foreignkeys
FKCOLUMN_NAME
Foreign key name.
FKTABLE_NAME
Foreign key table name.
PKCOLUMN_NAME
Primary key name.
DELETE_RULE
Specifies what action to take when you delete a record that has dependent records.
UPDATE_RULE
Specifies what action to take when you update a record that has dependent records.
index
INDEX_NAME
Name of the index, empty if type is table statistic.
COLUMN_NAME
Name of the column on which the index is applied, empty if the type is table statistic.
ORDINAL_POSITION
Ordinal position.
CARDINALITY
Number of unique values if the type is index, or number of rows if the type is statistic
TYPE
Whether the row represents a table statistic or an index. Index types are clustered, hashed, or other.
PAGES
Number of pages used by the table if the type is table statistic, or the number of pages used by the index.
NON_UNIQUE
Whether the index values are unique.

Example

<cfset datasrc = "oratest"> 

<cfdbinfo 
type="dbnames" 
datasource="#datasrc#" 
name="dbdata"> 

<cfoutput> 
The #datasrc# data source has the following databases:<br /> 
</cfoutput> 
<table border="1"> 
<tr> 
<th valign="top" align="left">Database name</th><th>Type</th> 
</tr> 
<cfoutput query="dbdata"> 
<tr> 
<td>#dbdata.DATABASE_NAME#</td><td>#dbdata.TYPE#</td> 
</tr> 
</cfoutput> 
</table>

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