https://www.tutorialscampus.com › sql › sequence-and-nextval.htm
SQL SEQUENCE & NEXTVAL - TutorialsCampusLearn how to use SEQUENCE and NEXTVAL statements to generate and insert unique values in ORACLE database. See examples, syntax, and scenarios for creating, changing, dropping, and finding sequence values.
https://stackoverflow.com › questions › 21093560
sequence - Get oracle sequenve next value without change it - Stack ...declare l_id number; begin select sequence.nextval into l_id from dual; -- then do something with the ID value end;
https://www.1keydata.com › fr › sql › sequence-nextval.php
SQL SEQUENCE et NEXTVAL - 1KeydataOracle utilise le concept de SEQUENCE et la fonction NEXTVAL pour créer des valeurs de clé primaire numériques lorsque nous insérons des lignes de données dans une table.
https://ittutorial.org › nextval-and-currval-function-in-oracle
NEXTVAL and CURRVAL function in Oracle - IT TutorialOracle Sequence object has 2 important function like NEXTVAL and CURRVAL. NEXTVAL – Next Value of Sequence. This function is used to increment the sequence and returns the next value of related sequence. CURRVAL – Current Value of Sequence. This function is used to return the current value of the sequence.
A sequence is a schema object that can generate unique sequential values. These values are often used for primary and unique keys. You can refer to sequence values in SQL statements with these pseudocolumns: CURRVAL: Returns the current value of a sequence. NEXTVAL: Increments the sequence and returns the next value.
https://docs.oracle.com › cd › B13789_01 › server.101 › b10759 › pseudocolumns002.htm
Sequence Pseudocolumns - OracleA sequence is a schema object that can generate unique sequential values. These values are often used for primary and unique keys. You can refer to sequence values in SQL statements with these pseudocolumns: CURRVAL: Returns the current value of a sequence. NEXTVAL: Increments the sequence and returns the next value.
https://fadace.developpez.com › oracle › sequences
Les séquences Oracle - Developpez.comLes séquences Oracle. Table des matières. I. Introduction. II. Les vues système. III. Bonnes pratiques. IV. Mauvaises pratiques. V. Comportement attendu d'une séquence. VI. L'effet CACHE. VII. L'option ORDER. VIII. Performances. IX. L'option CYCLE. X. Modifier le nextval d'une séquence. XI. Documentation. XII. Conclusion. XIII. Remerciements.
Comment puis-je obtenir le dernier stockid qui correspond a la session ouverte sur mon site? je dois utiliser currval ou nextval? Si plusiurs sessions sont en train d'ajouter un stock, currval va me recuperer le stockid correct pour chaque session?
https://oracle-base.com › articles › misc › oracle-sequences
ORACLE-BASE - Oracle SequencesThe NEXTVAL pseudocolumn displays the next available value for the sequence. Once a sequence number is selected, the session can access the current value repeatedly using the CURRVAL pseudocolumn. SQL> SELECT my_seq.NEXTVAL FROM dual; NEXTVAL ---------- 1 SQL> SELECT my_seq.NEXTVAL , my_seq.CURRVAL FROM dual; NEXTVAL CURRVAL ...
https://www.techonthenet.com › oracle › sequences.php
Oracle / PLSQL: Sequences (Autonumber) - TechOnTheNetAnswer: You can change the LASTVALUE for an Oracle sequence, by executing an ALTER SEQUENCE command. For example, if the last value used by the Oracle sequence was 100 and you would like to reset the sequence to serve 225 as the next value.
