Fill in the Blanks
| 1. | Information system based language (ISBL) is a pure relational algebra based query language, which was developed in ________ in UK in the year ________. |
| 2. | ISBL was first used in an experimental interactive database management system called ________. |
| 3. | In ISBL, to print the value of an expression, the command is preceded by ________. |
| 4. | ________ is a standard command set used to communicate with the RDBMS. |
| 5. | To query data from tables in a database, we use the ________ statement. |
| 6. | The expanded from of QUEL is ________. |
| 7. | QUEL is a tuple relational calculus language of a relational database system called ________. |
| 8. | QUEL is based on ________. |
| 9. | INGRES is the relational database management system developed at ________. |
| 10. | ________is ... |
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