Oracle Varrays.
In Oracle PL/SQL Varray (an array with variable size) is an array whose number of elements can vary from zero (empty) to the declared maximum size.
…
Oracle %ROWTYPE attribute.
In Oracle PL/SQL, the %ROWTYPE attribute provides a record type representing a string in the Oracle database table (or view).
A record may store an …
Oracle TRIGGERS.
- 28 July 2022
- Machine learningOracle
A trigger is a named PL/SQL module that is stored in a database and can be invoked again. You can enable and disable a trigger, but you cannot explici…
PostgreSQL current_date function.
The current_date function in PostgreSQL returns the current date….
PostgreSQL char_length function.
- 18 July 2022
- Machine learningOracle
The char_length function in PostgreSQL returns the length of the specified string….
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