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PHP : Function Reference : IBM DB2, Cloudscape and Apache Derby Functions : db2_primary_keys

db2_primary_keys

Returns a result set listing primary keys for a table (PECL ibm_db2:1.0-1.6.2)
resource db2_primary_keys ( resource connection, string qualifier, string schema, string table-name )

Returns a result set listing the primary keys 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. If schema is NULL, db2_primary_keys() matches the schema for the current connection.

table-name

The name of the table.

Return Values

Returns a statement resource with a result set containing rows describing the primary keys for the specified table. The result set is composed of the following columns:

Column name Description
TABLE_CAT Name of the catalog for the table containing the primary key. The value is NULL if this table does not have catalogs.
TABLE_SCHEM Name of the schema for the table containing the primary key.
TABLE_NAME Name of the table containing the primary key.
COLUMN_NAME Name of the column containing the primary key.
KEY_SEQ 1-indexed position of the column in the key.
PK_NAME The name of the primary key.

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db2_autocommit
db2_bind_param
db2_client_info
db2_close
db2_column_privileges
db2_columns
db2_commit
db2_conn_error
db2_conn_errormsg
db2_connect
db2_cursor_type
db2_escape_string
db2_exec
db2_execute
db2_fetch_array
db2_fetch_assoc
db2_fetch_both
db2_fetch_object
db2_fetch_row
db2_field_display_size
db2_field_name
db2_field_num
db2_field_precision
db2_field_scale
db2_field_type
db2_field_width
db2_foreign_keys
db2_free_result
db2_free_stmt
db2_get_option
db2_lob_read
db2_next_result
db2_num_fields
db2_num_rows
db2_pconnect
db2_prepare
db2_primary_keys
db2_procedure_columns
db2_procedures
db2_result
db2_rollback
db2_server_info
db2_set_option
db2_special_columns
db2_statistics
db2_stmt_error
db2_stmt_errormsg
db2_table_privileges
db2_tables
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