OpenSchema 方法
从提供者获取数据库模式信息。
语法
Set recordset = connection.OpenSchema (QueryType, Criteria, SchemaID)
返回值
返回包含模式信息的 Recordset 对象。Recordset 将以只读、静态游标打开。
参数
QueryType 所要运行的模式查询类型，可以为下列任意常量。
Criteria 可选。每个 QueryType 选项的查询限制条件数组，如下所列：
QueryType 值 Criteria 值
AdSchemaAsserts
CONSTRAINT_CATALOG
CONSTRAINT_SCHEMA
CONSTRAINT_NAME
AdSchemaCatalogs
CATALOG_NAME
AdSchemaCharacterSets
CHARACTER_SET_CATALOG
CHARACTER_SET_SCHEMA
CHARACTER_SET_NAME
AdSchemaCheckConstraints
CONSTRAINT_CATALOG
CONSTRAINT_SCHEMA
CONSTRAINT_NAME
AdSchemaCollations
COLLATION_CATALOG
COLLATION_SCHEMA
COLLATION_NAME
AdSchemaColumnDomainUsage
DOMAIN_CATALOG
DOMAIN_SCHEMA
DOMAIN_NAME
COLUMN_NAME
AdSchemaColumnPrivileges
TABLE_CATALOG
TABLE_SCHEMA
TABLE_NAME
COLUMN_NAME
GRANTOR
GRANTEE
adSchemaColumns
TABLE_CATALOG
TABLE_SCHEMA
TABLE_NAME
COLUMN_NAME
adSchemaConstraintColumnUsage
TABLE_CATALOG
TABLE_SCHEMA
TABLE_NAME
COLUMN_NAME
adSchemaConstraintTableUsage
TABLE_CATALOG
TABLE_SCHEMA
TABLE_NAME
adSchemaForeignKeys
PK_TABLE_CATALOG
PK_TABLE_SCHEMA
PK_TABLE_NAME
FK_TABLE_CATALOG
FK_TABLE_SCHEMA
FK_TABLE_NAME
adSchemaIndexes
TABLE_CATALOG
TABLE_SCHEMA
INDEX_NAME
TYPE
TABLE_NAME
adSchemaKeyColumnUsage
CONSTRAINT_CATALOG
CONSTRAINT_SCHEMA
CONSTRAINT_NAME
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