{ \ if (pI) { \ pI->Release(); \ pI = 0; \ } \ } while(0) #define PROVIDER_FREE(pv) \ do { \ if (pv) { \ CoTaskMemFree(pv); \ pv = NULL; \ } \ } while(0) #define PRINT_FLAGS(f,m) \ do { \ if ((f & m) == m) \ wprintf(L"%...
(ULONG iCols, ULONG iStart, DBCOLUMNINFO* prgInfo, DBCOLUMNACCESS* prgColumns); HRESULT GetColumns(IRow* pUnkRow, ULONG iStart, ULONG iEnd); HRESULT GetSequentialColumn(IRow* pUnkRow, ULONG iCol, BOOL fOpen = TRUE); IDBInitialize* pIDBInitialize = NULL; IDBProp...
[DBA,ALL,USER]_CONS_COLUMNS [DBA,ALL,USER]_CONSTRAINTS [DBA,ALL,USER]_DATA_FILES [DBA,ALL,USER]_DEPENDENCIES [DBA,ALL,USER]_IND_COLUMNS [DBA,ALL,USER]_IND_EXPRESSIONS [DBA,ALL,USER]_IND_PARTITIONS [DBA,ALL,USER]_IND_STATISTICS [DBA,ALL,USER]_INDEX_USAGE [DBA,ALL,USER]_INDEXES [DB...
COLUMNS 非保留 - - COLUMN_NAME - 非保留 非保留 COMMAND_FUNCTI - 非保留 非保留 ON文档版本 01 (2023-09-30) 版权所有 © 华为云计算技术有限公司 10 数据仓库服务(DWS)SQL 语法参考 3 关键字 关键字 GaussDB(DWS) SQL:1999 SQL-92 COMMAND_FUNCTI - 非保留 - ON_CODE ...
Step 1:Insert three columns, as shown below. Calculate the total marks of students. Step 2:Select “Cell F2“, enter the formula“=SUM(B2:E2),”and press“Enter”. The SUM function“=SUM(B2:E2)”will return the total scores. Result377is displayed inCell F2, as shown below. ...
Are displayed as the last actions in thelayout action section(or in the global actions toolbar if there is no layout action section in the floorplan). The layout action section is displayed to the right of the global actions on columns ≥1280 px wide, and in a separate line above the gl...
For multiple columns, consider a multicolumn index.CREATE INDEX ON items (location_id, category_id);Exact indexes work well for conditions that match a low percentage of rows. Otherwise, approximate indexes can work better.CREATE INDEX ON items USING hnsw (embedding vector_l2_ops);...
If you set the option to allow null values,NULLis inserted into the column. If you don't set the option to allow null values, the column remains blank, but the user or application can't insert the row until they supply a value for the column. ...
If I understand your task correctly, the following tutorial should help: INDEX MATCH MATCH to search in rows and columns. However, you can't search for the number 93 in column A because it is text, not numbers. If you write a value of 100, 99, 94, 89, 84, 79 in column A, you...
If you set the option to allow null values,NULLis inserted into the column. If you don't set the option to allow null values, the column remains blank, but the user or application can't insert the row until they supply a value for the column. ...