I'm trying to write a PL/SQL procedure to return the count of all the tables my user owns. I have tried this: ? 1 2 3 4 5 6 7 8 9 declare tab_cnt integer; cursor my_tables is select table_name from user_tables; begin for rw in my_tables loop select count(*) into tab_cnt...
Get recordCount for many tables 代码语言:javascript 复制 DECLARE@itemsNVARCHAR(200);--一定要设置成 nvarchar 才能拼接表名,varchar 的话无效DECLARE@MyCursorCURSOR;BEGINSET@MyCursor=CURSORFOR/* 实际操作的 SQL, 获取表名数据 */SELECTTABLE_NAMEFROMINFORMATION_SCHEMA.TABLESwhereTABLE_NAMElike'survey%'order ...
ghost_record_countbigint可供配置單位中的準刪除清除工作移除的准刪除記錄數目。 0表示配置單位中IN_ROW_DATA索引的非分葉層級。NULL當模式LIMITED。 version_ghost_record_countbigint配置單位中未完成快照隔離交易所保留的准刪除記錄數目。 0表示配置單位中IN_ROW_DATA索引的非分葉...
// compile with: /D "_UNICODE" /D "UNICODE" ole32.lib oleaut32.lib #include "stdafx.h" #include "OLEDBUtils.hpp" class BaseAggregatingRowset : public IRowset { public: BaseAggregatingRowset(DBCOUNTITEM cTotalRows) : m_cRef(0), m_idxRow(1), m_cTotalRows(cTotalRows), m_pUn...
Each transaction requests locks of different types on the resources, such as rows, pages, or tables, on which the transaction is dependent. The locks block other transactions from modifying the resources in a way that would cause problems for the transaction requesting the lock. Each transaction ...
mAttributeFields.clear();//mDefaultValues.clear();QString table = QString("%1.%2").arg( mSchemaName, mTableName );// Use the Qt functionality to get the fields and their definitions.QSqlRecord r = mDatabase.record( table );intfieldCount = r.count();for(inti =0; i < fieldCount...
select 'selectdatabase_id, db_name(database_id) dbname, database_transaction_begin_time, database_transaction_state, database_transaction_log_record_count, database_transaction_log_bytes_used, database_transaction_begin_lsn, stran.session_idfromsys.dm_tran_database_transactions dbtra...
INVALID_JSON_RECORD_TYPE、INVALID_PARAMETER_MARKER_VALUE、INVALID_PARAMETER_VALUE、INVALID_REGEXP_REPLACE、INVALID_VARIANT_CAST、INVALID_VARIANT_FROM_PARQUET、INVALID_VARIANT_GET_PATH、INVALID_VARIANT_SHREDDING_SCHEMA、KINESIS_SOURCE_REGISTERED_CONSUMER_ID_COUNT_MISMATCH、KINESIS_SOURCE_REGISTERED_CONSUMER_NOT_...
第一部分:基础——增删查改【第一章】做好准备 Getting Started (时长25分钟)【第二章】在单一表格中检索数据 Retrieving Data From a Single Table (时长53分钟)【第三章】在多张表格中检索数据 Retrieving Data From Multiple Tables (时长1小时2分)【第四章】插入、更新和删除数据 Inserting, Updating, an...
unique binary numbers within a database.rowversionis generally used as a mechanism for version-stamping table rows. The storage size is 8 bytes. Therowversiondata type is just an incrementing number and does not preserve a date or a time. To record a date or time, use adatetime2data typ...