--The following query returns the first and last names for those employees with a first name of Steven or Stephen--(where first_name begins with Ste and ends with en and in between is either v or ph):--查询返回结果为first_name以ste开头,en结尾,中间为v或phSQL>SELECTfirst_name, last_na...
The OracleREGEXP_LIKE()function is an advanced version of theLIKEoperator. TheREGEXP_LIKE()function returns rows that match a regular expression pattern. Noted that in SQL standard,REGEXP_LIKEis an operator instead of a function. Syntax# The following illustrates the syntax of the OracleREGEXP...
The Oracle REGEXP_INSTR function is used to return the location of a regular expression pattern in a string. This function allows you to find a substring in a string using regular expression pattern matching. If no match is found, then the function returns 0....
TRANSFORM_VALUE ERROR_LOG_SAMPLE[DBMS_TYPE:regexp_replace("DBMS_TYPE",'Oracle','PostgreSQL')] or to replace all Oracle char(0) in a string by a space character: TRANSFORM_VALUE CLOB_TABLE[CHARDATA:translate("CHARDATA", chr(0), ' ')] The expression will be applied in the SQL stateme...
SQL Developer provides a convenient platform for installing and configuring Oracle REST Data Services, and for developing RESTful services.
The Java locale name is fr_CA. In PL/SQL and SQL, it is represented mainly by the NLS_LANGUAGE and NLS_TERRITORY session parameters where the value of the NLS_LANGUAGE parameter is equal to CANADIAN FRENCH and the value of the NLS_TERRITORY parameter is equal to CANADA....
Audit policy A set of SQL statements that describe which events will generate an audit record. Audit facility One of several broad collections of audit features within the database - examples include unified audit, traditional audit, fine-grained audit, and Database Vault audit. Audit Vault and ...
TRANSFORM_VALUE ERROR_LOG_SAMPLE[DBMS_TYPE:regexp_replace("DBMS_TYPE",'Oracle','PostgreSQL')] or to replace all Oracle char(0) in a string by a space character: TRANSFORM_VALUE CLOB_TABLE[CHARDATA:translate("CHARDATA", chr(0), ' ')] The expression will be applied in the SQL stateme...
6. 当前 sql 语句 select sql_text, users_executing, executions, loads from v$sqlarea; 7. 查询高速缓存中的命中率 select sum(pins) "Executions", sum(reloads) "Cache Misses", sum(reloads)/sum(pins) from v$librarycache; 8. 查询全局字典中的有效装载次数 ...
The parameter p_table_name may be a simple or qualified SQL name, with no database link part. For example : MY_TABLE MY_SCHEMA.MY_TABLE "myTable" MY_SCHEMA."myTable"The function returns a handle to the context (of type ExcelTable.DMLContext), to be used by related routines mapColumn...