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db2_special_columns

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db2_special_columns

(PECL)

db2_special_columns -- Returns a result set listing the unique row identifier columns for a table

Description

resource db2_special_columns ( resource connection, string qualifier, string schema, string table_name, int scope )

Returns a result set listing the unique row identifier columns for a table.

Parameters

connection

A valid connection to an IBM DB2, Cloudscape, or Apache Derby database.

qualifier

A qualifier for DB2 databases running on OS/390 or z/OS servers. For other databases, pass NULL or an empty string.

schema

The schema which contains the tables.

table_name

The name of the table.

scope

Integer value representing the minimum duration for which the unique row identifier is valid. This can be one of the following values:

Integer value	SQL constant	Description
0	SQL_SCOPE_CURROW	Row identifier is valid only while the cursor is positioned on the row.
1	SQL_SCOPE_TRANSACTION	Row identifier is valid for the duration of the transaction.
2	SQL_SCOPE_SESSION	Row identifier is valid for the duration of the connection.

Return Values

Returns a statement resource with a result set containing rows with unique row identifier information for a table. The rows are composed of the following columns:

Column name Description

SCOPE

Integer value	SQL constant	Description
0	SQL_SCOPE_CURROW	Row identifier is valid only while the cursor is positioned on the row.
1	SQL_SCOPE_TRANSACTION	Row identifier is valid for the duration of the transaction.
2	SQL_SCOPE_SESSION	Row identifier is valid for the duration of the connection.

COLUMN_NAME Name of the unique column.

DATA_TYPE SQL data type for the column.

TYPE_NAME Character string representation of the SQL data type for the column.

COLUMN_SIZE An integer value representing the size of the column.

BUFFER_LENGTH Maximum number of bytes necessary to store data from this column.

DECIMAL_DIGITS The scale of the column, or NULL where scale is not applicable.

NUM_PREC_RADIX An integer value of either 10 (representing an exact numeric data type), 2 (representing an approximate numeric data type), or NULL (representing a data type for which radix is not applicable).

PSEUDO_COLUMN Always returns 1.

JAVA, JSP, SERVLETS, TOMCAT, SERVLETS MANAGER,
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Alden Hosting offers private JVM (Java Virtual Machine), Java Server Pages (JSP), Servlets, and Servlets Manager with our Web Hosting Plans WEB 4 PLAN and WEB 5 PLAN , WEB 6 PLAN .

JAVA, JSP, SERVLETS, TOMCAT, SERVLETS MANAGER, Private JVM (Java Virtual Machine), Private Tomcat Server

db2_special_columns

Description

Parameters

Return Values

See Also

JAVA, JSP, SERVLETS, TOMCAT, SERVLETS MANAGER, Private JVM (Java Virtual Machine), Private Tomcat Server

JAVA, JSP, SERVLETS, TOMCAT, SERVLETS MANAGER,
Private JVM (Java Virtual Machine),
Private Tomcat Server

JAVA, JSP, SERVLETS, TOMCAT, SERVLETS MANAGER,
Private JVM (Java Virtual Machine),
Private Tomcat Server