query users to mulitple update block with different values
Hello
I need to write a SQL script to update the information of multiple users (400) in the database.
Here's the query I use to update a single user:
setting a day of usr set usr_login = "ROBERTAA_OLDx", USR_EMAIL = 'robertaa@abadrer_dellllx.com' where usr_login = 'ROBERTA ';
usr_login and usr_email must be different for each user.
What is the best way to achieve this?
Please suggest
Thank you
OK, I see. Here is my version of update:
DROP TABLE usr; CREATE TABLE usr ( usr_login VARCHAR2(20) ,usr_email VARCHAR2(50) ); INSERT INTO usr VALUES ('PENUMALH', '[email protected]'); INSERT INTO usr VALUES ('IAMTEAM', '[email protected]'); INSERT INTO usr VALUES ('TESTSOA2', '[email protected]'); INSERT INTO usr VALUES ('TESTADF1', '[email protected]'); INSERT INTO usr VALUES ('IAMTESTIR2', '[email protected]'); INSERT INTO usr VALUES ('IAMPWDTT', '[email protected]'); INSERT INTO usr VALUES ('IAMPWDTI', '[email protected]'); COMMIT; SET LINESIZE 80 PAGESIZE 20 COLUMN usr_login FORMAT A20 COLUMN usr_email FORMAT A50 SELECT * FROM usr; UPDATE usr t1 SET (t1.usr_login, t1.usr_email) = (SELECT t2.usr_login || 'OLD' || TO_CHAR(ROWNUM) AS usr_login ,SUBSTR(t2.usr_email, 1, INSTR(t2.usr_email, '.', -1, 1) - 1) || '_delxxxxasdf' || SUBSTR(t2.usr_email, INSTR(t2.usr_email, '.', -1, 1)) AS usr_email FROM usr t2 WHERE t2.usr_login = t1.usr_login); COMMIT; SELECT * FROM usr;
And the output:
Table dropped. Elapsed: 00:00:00.05 Sequence dropped. Elapsed: 00:00:00.03 Table created. Elapsed: 00:00:00.03 Sequence created. Elapsed: 00:00:00.03 1 row created. Elapsed: 00:00:00.13 1 row created. Elapsed: 00:00:00.04 1 row created. Elapsed: 00:00:00.03 1 row created. Elapsed: 00:00:00.03 1 row created. Elapsed: 00:00:00.03 1 row created. Elapsed: 00:00:00.03 1 row created. Elapsed: 00:00:00.03 Commit complete. Elapsed: 00:00:00.02 USR_LOGIN USR_EMAIL -------------------- -------------------------------------------------- PENUMALH [email protected] IAMTEAM [email protected] TESTSOA2 [email protected] TESTADF1 [email protected] IAMTESTIR2 [email protected] IAMPWDTT [email protected] IAMPWDTI [email protected] 7 rows selected. Elapsed: 00:00:00.03 7 rows updated. Elapsed: 00:00:00.04 Commit complete. Elapsed: 00:00:00.02 USR_LOGIN USR_EMAIL -------------------- -------------------------------------------------- PENUMALHOLD1 Hari.Penumalli@abc_delxxxxasdf.com IAMTEAMOLD1 iam.team@xyz_delxxxxasdf.com TESTSOA2OLD1 test.soa2@gio_delxxxxasdf.com TESTADF1OLD1 test.adf1@yu_delxxxxasdf.com IAMTESTIR2OLD1 iam.testir@ou_delxxxxasdf.net IAMPWDTTOLD1 iam.pwdtt@iuet_delxxxxasdf.in IAMPWDTIOLD1 iam.pwdt@oiyoi_delxxxxasdf.com 7 rows selected. Elapsed: 00:00:00.03
Tags: Database
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