--查询主键列SELECTCOLUMN_NAMEFROMUSER_CONS_COLUMNSWHERECONSTRAINT_NAME=(SELECTCONSTRAINT_NAMEFROMUSER_CONSTRAINTSWHERETABLE_NAME='TABLE_NAME'ANDCONSTRAINT_TYPE='P');--查询唯一键列SELECTCOLUMN_NAMEFROMUSER_CONS_COLUMNSWHERECONSTRAINT_NAME=(SELECTCONSTRAINT_NAMEFROMUSER_CONSTRAINTSWHERETABLE_NAME='TABLE_NAME...
Basic Update Statements The Oracle UPDATE statement processes one or more rows in a table and sets one or more columns to the values you specify. Upda
2. Select a template. Select a tiled layout, or select the Columnar Report template to create a multiple-paged, continuous format columnar report. If you want to create a columnar report see Section 3.3, "Creating Columnar Reports." 3-2 Oracle Fusion Middleware User's Guide for Oracle ...
Modify the generated create table script, removing the NOT NULL attribute from any character columns that may have associated empty strings, and supply the modified script as a custom create script for the article using the @creation_script parameter of sp_addarticle. Oracle Subscribers support a ...
Oracle Databasecollects the following statistics for a table. Statistics marked with anasterisk are always computed exactly. Table statistics, including the status ofdomain indexes, appear in the data dictionary views USER_TABLES, ALL_TABLES,and DBA_TABLES in the columns shown in parentheses. ...
update employees set salary = 1.1 * salary where manager_id = id(i); end loop; end; / 1.2.2 SELECT Statements that Reference Collections The BULK COLLECT INTO clause can improve the performance of queries that reference collections. You can use BULK COLLECT INTO with tables of scalar values...
14.2Rendering Select Lists in a Report or Tabular Form You can use the HTMLDB_ITEM package to render select lists in a report or tabular form by making direct calls to HTMLDB_ITEM.SELECT_LIST or by applying certain display types to report columns. Note that this type of select list cannot...
ResultSet rset = stmt.executeQuery ("select * from \"\u6d82\u6d85\u6886\u5384\""); INSERT or UPDATE operations are slow By default the driver commits all INSERTs and UPDATEs as soon as you execute the statement. This is known as autoCommit mode in JDBC. You can get better performance...
// sqlText: sql text with parameters // rowNum: number of rows to insert // columns: each column contain array of driver.Value size of column should // equal to rowNum func (conn *Connection) BulkInsert(sqlText string, rowNum int, columns ...[]driver.Value) (*QueryResult, error) ...
If you have multiple table to extract by replacing the Ora2Pg query, you can define multiple REPLACE_QUERY lines. REPLACE_QUERY EMPLOYEES[SELECT e.id,e.fisrtname,lastname FROM EMPLOYEES e JOIN EMP_UPDT u ON (e.id=u.id AND u.cdate>'2014-08-01 00:00:00')] Control of Full Text ...