SQL3149N 已從輸入檔處理 number-1 橫列。已順利將 number-2 橫列插入表格。已拒絕 number-3 橫列。 解說 這個概要訊息告知從輸入檔讀取了多少橫列、資料庫表格中成功插入多少橫列,以及拒絕了多少橫列。使用 INSERT_UPDATE 選項時,更新的橫列數是處理的橫列數減去插入和拒絕的橫列數。 使用者回應 無,因為這是概要...
UPDATESTATISTICSt1 (a, b); SQL UPDATESTATISTICSt1 (a)WITHSAMPLE10ROWS; SQL UPDATESTATISTICSt1 (a)WITHNORECOMPUTE; SQL UPDATESTATISTICSt1 (a)WITHINCREMENTAL =ON; SQL UPDATESTATISTICSt1 (a)WITHSTATS_STREAM =0x01; 權限 必須具備資料表或檢視的ALTER權限。
UPDATESTATISTICSt1 (a)WITHSAMPLE10ROWS; SQL UPDATESTATISTICSt1 (a)WITHNORECOMPUTE; SQL UPDATESTATISTICSt1 (a)WITHINCREMENTAL =ON; SQL UPDATESTATISTICSt1 (a)WITHSTATS_STREAM =0x01; 权限 要求具有对表或视图的ALTER权限。 示例 A. 更新表的所有统计信息 ...
round(nvl(ind.clustering_factor,1)/decode(tab.num_rows,0,1,tab.num_rows),3)*100||'%'"集群因子接近行数"fromuser_tables tab, user_indexes indwheretab.table_name=ind.table_nameandtab.blocks>100andnvl(ind.clustering_factor,1)/decode(tab.num_rows,0,1,tab.num_rows)between0.35and3...
partition_number必須存在,否則陳述式將會失敗。 WITH ( <single_partition_rebuild_index_option> ) SORT_IN_TEMPDB、MAXDOP、DATA_COMPRESSION和XML_COMPRESSION 是使用 (PARTITION = partition_number) 語法重建單一分割區時可以指定的選項。 無法在單一數據分割重建作業中指定 XML 索引。
The table has detached partitions and there are dependent tables that need to be incrementally maintained with respect to these detached partitions. Modifying any physical attribute of the table is not allowed as doing so would invalidate the incremental maintenance of the dependent tables. The restric...
Rows that are inserted into a heap as the result of an insert action in a MERGE statement may also be minimally logged. Unlike the BULK INSERT statement, which holds a less restrictive Bulk Update (BU) lock, INSERT INTO … SELECT with the TABLOCK hint holds an exclusive (X) lock on th...
When a new row is added to the table, SQL Server provides a unique, incremental value for the column. Identity columns are typically used together with PRIMARY KEY constraints to serve as the unique row identifier for the table. The IDENTITY property can be assigned to tinyint, smallint, ...
BOOLEAN_STATEMENT_WITH_EMPTY_ROW ROW_SUBQUERY_TOO_MANY_ROWS SCALAR_SUBQUERY_TOO_MANY_ROWS 21506 The same row of a table cannot be the target for more than one of an update, delete or insert operation. DELTA_MULTIPLE_SOURCE_ROW_MATCHING_TARGET_ROW_IN_MERGE 21S01 Insert value list does not...
rows_processed, sysdate start_time, sysdate finish_time, '>' || address sql_address, 'N' status from v$sqlarea where address = (select sql_address from v$session where sid = 71) 24.查询表空间使用情况select a.tablespace_name "表空间名称", ...