从提供者获取数据库模式信息。
语法
set connection=server.createobject(“adodb.connection“)
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,
参数枚举(QueryType )
'---- SchemaEnum Values ---- Const adSchemaProviderSpecific = -1 Const adSchemaAsserts = 0 Const adSchemaCatalogs = 1 Const adSchemaCharacterSets = 2 Const adSchemaCollations = 3 Const adSchemaColumns = 4 Const adSchemaCheckConstraints = 5 Const adSchemaConstraintColumnUsage = 6 Const adSchemaConstraintTableUsage = 7 Const adSchemaKeyColumnUsage = 8 Const adSchemaReferentialContraints = 9 Const adSchemaTableConstraints = 10 Const adSchemaColumnsDomainUsage = 11 Const adSchemaIndexes = 12 Const adSchemaColumnPrivileges = 13 Const adSchemaTablePrivileges = 14 Const adSchemaUsagePrivileges = 15 Const adSchemaProcedures = 16 Const adSchemaSchemata = 17 Const adSchemaSQLLanguages = 18 Const adSchemaStatistics = 19 Const adSchemaTables = 20 Const adSchemaTranslations = 21 Const adSchemaProviderTypes = 22 Const adSchemaViews = 23 Const adSchemaViewColumnUsage = 24 Const adSchemaViewTableUsage = 25 Const adSchemaProcedureParameters = 26 Const adSchemaForeignKeys = 27 Const adSchemaPrimaryKeys = 28 Const adSchemaProcedureColumns = 29 
|