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2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Query the existing tables:
Show all tables (table is abbreviated, only table name)
Select * from tab
Show all tables (all table fields)
Select * from user_tables
Query the table under user xxk (user name should be uppercase, only table name)
Select TABLE_NAME from all_tables where owner = 'XXK'
Query sequence:
Show all sequences (full field, maximum, minimum, size [how much each time], next value, etc.)
Select * from seq
Query the next value of the sequence tbgridinfo_autoinc. After the query, the sequence has been incremented.
Select tbgridinfo_autoinc.nextval from dual
Change the self-increasing range of the sequence, which can be a negative number, indicating the minus sign, how much is minus
Alter sequence tbgridinfo_autoinc increment by + 1
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