Each row of this table represents an equation
entry(unit) for an equation. Multiple equation entries funtion
togehter to compose an equation.For example, the equation "Master
Price List * 0.5" is composed of 3 equation enties,they are "Master
Price List","*","0.5".

## Column Descriptions:

Name | Type | Description |

PREQENTRY_ID | BIGINT NOT NULL | Generated Key |

PREQUATION_ID | BIGINT NOT NULL | The unique identifier of the equation which the
equation entry belongs to. |

PREQENTRYTYPE_ID | BIGINT NOT NULL | The unique identifier of the equation entry
type. |

VALUE | VARCHAR (254) NOT NULL | The value of the equation entry. |

SEQUENCE | DOUBLE NOT NULL | The sequence of this equation entry for the same
equation. |

OPTCOUNTER | SMALLINT NOT NULL DEFAULT 0 | The optimistic concurrency control counter for
the table. Every time there is an update to the table, the counter
is incremented. |

## Indexes:

Name | Column Names | Type |

<SYSTEM-GENERATED> | PREQENTRY_ID | Primary Key |

I0001359 | PREQUATION_ID | Non-Unique Index |

I0001385 | PREQENTRYTYPE_ID | Non-Unique Index |

## Constrained By Parent Tables:

Constraint | Columns | Parent Table | Parent Columns | Type |

F_3676 | PREQUATION_ID | PREQUATION | PREQUATION_ID | Cascade |

F_3677 | PREQENTRYTYPE_ID | PREQENTRYTYPE | PREQENTRYTYPE_ID | Cascade |