oracle10g

问题 i have XML structure like below in XMLType column (Oracle 10g) <DATA> <CHILDRENS> <CHILDRENS_DEF lname="smith"> <CHILD_KOL no="1" name="Id" desc="Id" typ="NUMBER"/> <CHILD_KOL no="2" name="Fname" desc="Fname" typ="VARCHAR2"/> </CHILDRENS_DEF> <CHILDRENS_DATA> <CHILD_DATA no="1"> <CHILD_COL_VALUE no="1" name="Id">1</CHILD_COL_VALUE> <CHILD_COL_VALUE no="2" name="Fname">Christopher</CHILD_COL_VALUE> </CHILD_DATA> <CHILD_DATA no="2"> <CHILD_COL_VALUE no="1" name="Id">1</CHILD_COL_VALUE> <CHILD

问题 i have XML structure like below in XMLType column (Oracle 10g) <DATA> <CHILDRENS> <CHILDRENS_DEF lname="smith"> <CHILD_KOL no="1" name="Id" desc="Id" typ="NUMBER"/> <CHILD_KOL no="2" name="Fname" desc="Fname" typ="VARCHAR2"/> </CHILDRENS_DEF> <CHILDRENS_DATA> <CHILD_DATA no="1"> <CHILD_COL_VALUE no="1" name="Id">1</CHILD_COL_VALUE> <CHILD_COL_VALUE no="2" name="Fname">Christopher</CHILD_COL_VALUE> </CHILD_DATA> <CHILD_DATA no="2"> <CHILD_COL_VALUE no="1" name="Id">1</CHILD_COL_VALUE> <CHILD

问题 DECLARE TYPE t IS RECORD ( col_name VARCHAR2 (100) ); t_row t; cname VARCHAR (100) := 'col_name'; BEGIN t_row.col_name := 'col'; DBMS_OUTPUT.put_line ('out'); IF t_row.cname IS NULL THEN DBMS_OUTPUT.put_line ('in'); END IF; END; Error at line 1 ORA-06550: line 12, column 12: PLS-00302: component 'CNAME' must be declared ORA-06550: line 12, column 3: PL/SQL: Statement ignored How can I assign dynamic column name to type variable of record? 回答1: You can do that with dynamic sql: To make the

问题 Any one help me to create a trigger for auto increment fld_id and Unix datetime. My table field is fld_id(int),fld_date(number),fld_value(varchar2). My insert query is insert into table (fld_value)values('xxx'); insert into table (fld_value)values('yyy'); I need the table record like this fld_id fld_date fld_value 1 1354357476 xxx 2 1354357478 yyy Please help me to create this.I can't able to do this.. 回答1: If you want fld_id to be a sequential value, you'll need to create a sequence and a

问题 I am trying to execute following PL/SQL script in SQL Developer. The loop should return count of nulls but somehow everytime it is returning 0. set serveroutput on DECLARE --v_count number; v_count_null number; BEGIN execute immediate 'select count(*) from SP_MOSAIX' into v_count; FOR i in (select column_name from all_tab_COLUMNS where table_name = 'SP_MOSAIX') LOOP select count(*) into v_count_null from SP_MOSAIX where i.column_name IS NULL ; dbms_output.put_line(v_count_null); END LOOP; END

问题 I'm using .Net 2008 and Oracle 10g as my database. The problem I'm getting is after deploying the application in IIS, when multiple users access the same page at a time i'm getting the error. Can't get the output. Note: Both the users accessing the same page, same menu at a time. How can I resolve this? 回答1: My guess would be a standard thread-safety / synchronization bug, most likely due to some static resource such as a static connection. Obviously this is pure speculation without some more

问题 I'm using .Net 2008 and Oracle 10g as my database. The problem I'm getting is after deploying the application in IIS, when multiple users access the same page at a time i'm getting the error. Can't get the output. Note: Both the users accessing the same page, same menu at a time. How can I resolve this? 回答1: My guess would be a standard thread-safety / synchronization bug, most likely due to some static resource such as a static connection. Obviously this is pure speculation without some more

问题 I'm creating a trigger to initialize the value plazas_disponibles on table VUELO with the value capacidad on table MODELO. Like this: create or replace TRIGGER inicializar_plazas_disponibles BEFORE INSERT OR UPDATE ON VUELO BEGIN SET VUELO (plazas_disponibles) = MODELO (capacidad); END inicializar_plazas_disponibles; And I'm getting the following errors: Error(2,10): PL/SQL: SQL Statement ignored Error(2,14): PL/SQL: ORA-00922: missing or invalid option Error(2,23): PL/SQL: ORA-00971: missing

问题 I'm using Laravel 5.5, php 7.1.9, and oracle 10g i don't know if i'm connected to the database or not and if yes, is the problem in my code ? PDOException SQLSTATE[HY000]: pdo_oci_handle_factory: Error while trying to retrieve text for error ORA-01804 (ext\pdo_oci\oci_driver.c:640) oracledb.php return [ 'oracle' => [ 'driver' => 'pdo', 'tns' => env('DB_TNS', 'XE'), 'host' => env('DB_HOST', 'GREEN-PC'), 'port' => env('DB_PORT', '1521'), 'database' => env('DB_DATABASE', 'XE'), 'username' => env

问题 I need to search the column value from one table with column value of another table. For example MyTable Col1 Col2 AAA 1 BBB 2 CCC 3 MyTable2 Col1 Col2 GHKGH AAAh 1 dhsjsBvd 2 bdnd CCC b 3 I need to search the col1 value from MyTable in col1 value of MyTable2. I dont want to hard code the string but take the value from table. Tried using instr and regex_instr , but these functions don't allow column values in the pattern to search. I am using oracle 10g. TIA 回答1: Tested example here: http:/