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Showing posts from June, 2023

Oracle SQL For Data Engineer

 Hi All, Thanks for visiting my blog! This is "Start Something New" blog , Ready to start first step in Oracle SQL, In SQL have five important part without this not possible to work in Database. 1.DDL(Data definition language). a. Create. b. Alter. c. Drop. d. Truncate. 2. DML(Data manipulation language). a. Insert. b. Update. c. Delete. 3. DRL(Data retrieval language). a. Select. 4. TCL(Transection control language). a. Commit. b. Rollback. c. Savepoint. 5. DCL(Data control language). a. Grant. b. Revoke. This is just begining... Thanks.