odbc_specialcolumns(3) [php man page]
ODBC_SPECIALCOLUMNS(3) 1 ODBC_SPECIALCOLUMNS(3) odbc_specialcolumns - Retrieves special columns SYNOPSIS
resource odbc_specialcolumns (resource $connection_id, int $type, string $qualifier, string $owner, string $table, int $scope, int $nullable) DESCRIPTION
Retrieves either the optimal set of columns that uniquely identifies a row in the table, or columns that are automatically updated when any value in the row is updated by a transaction. PARAMETERS
o $connection_id -The ODBC connection identifier, see odbc_connect(3) for details. o $type - When the type argument is SQL_BEST_ROWID, odbc_specialcolumns(3) returns the column or columns that uniquely identify each row in the table. When the type argument is SQL_ROWVER, odbc_specialcolumns(3) returns the column or columns in the specified table, if any, that are automatically updated by the data source when any value in the row is updated by any transaction. o $qualifier - The qualifier. o $owner - The owner. o $table - The table. o $scope - The scope, which orders the result set. o $nullable - The nullable option. RETURN VALUES
Returns an ODBC result identifier or FALSE on failure. The result set has the following columns: oSCOPE oCOLUMN_NAME oDATA_TYPE oTYPE_NAME oPRECISION oLENGTH oSCALE oPSEUDO_COLUMN PHP Documentation Group ODBC_SPECIALCOLUMNS(3)
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DB2_STATISTICS(3) 1 DB2_STATISTICS(3) db2_statistics - Returns a result set listing the index and statistics for a table SYNOPSIS
resource db2_statistics (resource $connection, string $qualifier, string $schema, string $table-name, bool $unique) DESCRIPTION
Returns a result set listing the index and statistics for a table. PARAMETERS
o $connection - A valid connection to an IBM DB2, Cloudscape, or Apache Derby database. o $qualifier - A qualifier for DB2 databases running on OS/390 or z/OS servers. For other databases, pass NULL or an empty string. o $schema - The schema that contains the targeted table. If this parameter is NULL, the statistics and indexes are returned for the schema of the current user. o $table_name - The name of the table. o $unique - An integer value representing the type of index information to return. o $0 - Return only the information for unique indexes on the table. o $1 - Return the information for all indexes on the table. RETURN VALUES
Returns a statement resource with a result set containing rows describing the statistics and indexes for the base tables matching the specified parameters. The rows are composed of the following columns: +--------------+---------------------------------------------------+ | Column name | | | | | | | Description | | | | +--------------+---------------------------------------------------+ | TABLE_CAT | | | | | | | The catalog that contains the table. The value is | | | NULL if this table does not have catalogs. | | | | | TABLE_SCHEM | | | | | | | Name of the schema that contains the table. | | | | | TABLE_NAME | | | | | | | Name of the table. | | | | | NON_UNIQUE | | | | | | | An integer value representing whether the index | | | prohibits unique values, or whether the row rep- | | | resents statistics on the table itself: | | | | | | box, tab (|); c | c | . T{ Return value | | | | | | Parameter type | | | | +--------------+---------------------------------------------------+ |0 (SQL_FALSE) | | | | | | | The index allows duplicate values. | | | | |1 (SQL_TRUE) | | | | | | | The index values must be unique. | | | | | | | | NULL | | | | | | | This row is statistics information for the table | | | itself. | | | | +--------------+---------------------------------------------------+ T} T{ INDEX_QUALIFIER T} |T{ A string value representing the qualifier that would have to be prepended to INDEX_NAME to fully qualify the index. T} T{ INDEX_NAME T} |T{ A string representing the name of the index. T} T{ TYPE T} |T{ An integer value representing the type of information contained in this row of the result set: +------------------------+---------------------------------------------------+ | Return value | | | | | | | Parameter type | | | | +------------------------+---------------------------------------------------+ | 0 (SQL_TABLE_STAT) | | | | | | | The row contains statistics about the table | | | itself. | | | | |1 (SQL_INDEX_CLUSTERED) | | | | | | | The row contains information about a clustered | | | index. | | | | | 2 (SQL_INDEX_HASH) | | | | | | | The row contains information about a hashed | | | index. | | | | | 3 (SQL_INDEX_OTHER) | | | | | | | The row contains information about a type of | | | index that is neither clustered nor hashed. | | | | +------------------------+---------------------------------------------------+ T} T{ ORDINAL_POSITION T} |T{ The 1-indexed position of the column in the index. NULL if the row contains statistics information about the table itself. T} T{ COLUMN_NAME T} |T{ The name of the column in the index. NULL if the row contains statistics information about the table itself. T} T{ ASC_OR_DESC T} |T{ A if the column is sorted in ascending order, D if the column is sorted in descending order, NULL if the row contains statistics informa- tion about the table itself. T} T{ CARDINALITY T} |T{ If the row contains information about an index, this column contains an integer value representing the number of unique values in the index. If the row contains information about the table itself, this column contains an integer value representing the number of rows in the table. T} T{ PAGES T} |T{ If the row contains information about an index, this column contains an integer value representing the number of pages used to store the index. If the row contains information about the table itself, this column contains an integer value representing the number of pages used to store the table. T} T{ FILTER_CONDITION T} |T{ Always returns NULL. T} SEE ALSO
db2_column_privileges(3), db2_columns(3), db2_foreign_keys(3), db2_primary_keys(3), db2_procedure_columns(3), db2_procedures(3), db2_spe- cial_columns(3), db2_table_privileges(3), db2_tables(3). PHP Documentation Group DB2_STATISTICS(3)