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May 8, 2012 · I created this table called LOCATION by doing this: CREATE TABLE LOCATION( POSTCODE VARCHAR(10) PRIMARY KEY, STREET_NAME VARCHAR(20), CITY VARCHAR(20)); and when I try to add some date within...
Oct 15, 2008 · A new feature available in SQLcl( which is a free command line interface for Oracle Database) is. Tables alias. Here are few examples showing the usage and additional aspects of the feature. First, connect to a sql command line (sql.exe in windows) session. It is recommended to enter this sqlcl specific command before running any other commands ...
Sep 20, 2012 · 24. To read the user input and store it in a variable, for later use, you can use SQL*Plus command ACCEPT. Accept <your variable> <variable type if needed [number|char|date]> prompt 'message'. example. accept x number prompt 'Please enter something: '. And then you can use the x variable in a PL/SQL block as follows: declare.
There are a several ways of declaring variables in SQL*Plus scripts. The first is to use VAR, to declare a bind variable. The mechanism for assigning values to a VAR is with an EXEC call: SQL> var name varchar2(20) SQL> exec :name := 'SALES'. PL/SQL procedure successfully completed. SQL> select * from dept.
In MySQL, I can do this: select *. from sometable. order by name. limit 20,10. to get the 21st to the 30th rows (skip the first 20, give the next 10). The rows are selected after the order by, so it really starts on the 20th name alphabetically. In Oracle, the only thing people mention is the rownum pseudo-column, but it is evaluated before ...
Aug 9, 2012 · WHERE table_name = '<your table name>'. AND constraint_name = '<your constraint name>'; If the table is held in a schema that is not your default schema then you might need to replace the views with: all_cons_columns. and. all_constraints. adding to the where clause: AND owner = '<schema owner of the table>'. edited Nov 3, 2014 at 11:04.
Jul 2, 2012 · And in Oracle (Pre 12c).-- create table CREATE TABLE MAPS ( MAP_ID INTEGER NOT NULL , MAP_NAME VARCHAR(24) NOT NULL, UNIQUE (MAP_ID, MAP_NAME) ); -- create sequence CREATE SEQUENCE MAPS_SEQ; -- create tigger using the sequence CREATE OR REPLACE TRIGGER MAPS_TRG BEFORE INSERT ON MAPS FOR EACH ROW WHEN (new.MAP_ID IS NULL) BEGIN SELECT MAPS_SEQ.NEXTVAL INTO :new.MAP_ID FROM dual; END; /
Oct 30, 2021 · 5. To get the time on the database server: SELECT SYSTIMESTAMP FROM DUAL. Or, if you want to format it as a string: SELECT TO_CHAR(SYSTIMESTAMP, 'YYYY-MM-DD HH24:MI:SS.FF TZH:TZM') FROM DUAL; If you want the time on the client then: SELECT CURRENT_TIMESTAMP FROM DUAL;
SQL> select * from ldr_test; ID DESCRIPTION ----- ----- 1 Apple 2 Orange 3 Pear SQL> SQL*Loader has alot of options, and can take pretty much any text file as its input. You can even inline the data in your control file if you want.
Oct 19, 2017 · I tried the convertcsv.com tool, and it doesn't convert to Oracle's 12c SQL, which is what Live SQL uses. The left out the semicolons at the end of each statement, which is not a big deal if you don't have a lot of statements, but you have an insert statement for each row and might have thousands of rows.
