DBMS-Relational Algebra and Calculus

DBMS-Relational Algebra and Calculus
51. The first commercial REBMS was IBM'S DB2
  • TRUE
  • FALSE
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52. SEQUEL and SQL are the same.
  • TRUE
  • FALSE
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53. SQL is a relational query language.
  • TRUE
  • FALSE
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54. SQL is essentially not a free-format language.
  • TRUE
  • FALSE
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55. SQL statement can be invoked either interactively in a terminal session but cannot be embedded in application programs.
  • TRUE
  • FALSE
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56. In SQL statements can be invoked either interactively in a terminal session but cannot be embedded in programming languages
  • TRUE
  • FALSE
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57. In SQL statements can be invoked either interactively in a terminal session but cannot be embedded in programming languages
  • TRUE
  • FALSE
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58. In SQL statements can be invoked either interactively in a terminal session but cannot be embedded in programming languages
  • TRUE
  • FALSE
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59. HAVING clause is equivalent of WHERE clause and is used to specify the search criteria or search condition when GROUP BY clause is specified.
  • TRUE
  • FALSE
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60. HAVING clause is used to eliminate group s just as WHERE is used to eliminate rows.
  • TRUE
  • FALSE
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