The cell cycle is the complex sequence of events by which cells grow and divide. In eukaryotic cells, this process includes a series of four distinct phases. These phases consist of the Mitosis phase (M), Gap 1 phase (G 1), Synthesis phase (S), and Gap 2 phase (G 2) .The G 1, S, and G 2 phases of the cell cycle are collectively referred to as interphase.n eukaryotic cells, this process includes a series of four distinct phases. These phases consist of the Mitosis phase (M), Gap 1 phase (G 1), Synthesis phase (S), and Gap 2 phase (G 2) . The G 1, S, and G 2 phases of the cell cycle are collectively referred to as interphase.
A database query is a piece of code (a query) that is sent to a database in order to get information back from the database. It is used as the way of retriving the information from database. A database query is basically a question that you ask the database.
Building an SQL expression Structured Query Language (SQL) is a standard computer language for accessing and managing databases. SQL expressions are used in many parts of ArcGIS and its extensions to define a subset of data on which to perform some operation. You use it in ArcMap to select features with the Select by Attributesdialog box or with the Query Builder dialog box to set a layer definition query.