FireDAC 之FDMetaInfoQuery

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FDMetaInfoQuery

MetaInfoKind属性有17种类型，获取数据库名称、表、字段、主键等信息。强大强大，不用写sql语句

mkNone
mkCatalogs
mkSchemas
mkTables
mkTableFields
mkIndexes
mkIndexFields
mkPrimaryKey
mkPrimaryKeyFields
mkForeignKeys
mkForeignKeyFields
mkPackages
mkProcs
mkProcArgs
mkGenerators
mkResultSetFields
mkTableTypeFields

 FDMetaInfoQuery1->MetaInfoKind = mkTables;
 FDMetaInfoQuery1->Open();

FDMetaInfoQuery1->MetaInfoKind = mkTableFields;
 FDMetaInfoQuery1->Open(edtTableName->Text);

 FDMetaInfoQuery1->MetaInfoKind = mkPrimaryKey;
 FDMetaInfoQuery1->Open(edtTableName->Text);

 FDMetaInfoQuery1->MetaInfoKind = mkPrimaryKeyFields;
 FDMetaInfoQuery1->Open(edtTableName->Text,PKName); ?? 怎么赋值参数

FireDAC 之FDMetaInfoQuery

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原文地址：http://www.cnblogs.com/cb168/p/4288512.html