投射技术
发表于 2025-3-21 17:04:59
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漂浮
发表于 2025-3-21 23:23:56
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我说不重要
发表于 2025-3-22 01:16:11
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CHYME
发表于 2025-3-22 05:05:01
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有危险
发表于 2025-3-22 12:14:53
Module Language in SQL application program during its execution and an application program must be associated with at most one module. During execution, a program can call procedures in a module (each of which consists of an SQL statement) to perform assigned tasks.
Crohns-disease
发表于 2025-3-22 14:15:35
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infringe
发表于 2025-3-22 18:06:01
Schema Definition in NDLDL-DDL) is used to specify a schema which consists of record type definitions and set type definitions. The language performs similar tasks to those discussed under the SQL-DDL, with the exception that the NDL-DDL defines tree structures instead of simple relational tables.
Cuisine
发表于 2025-3-23 00:23:00
Data Manipulation in NDLtains NDL statements which are executed when the procedure is called by the application program associated with the module. NDL is, of course, interfaced to ordinary high-level programming languages (e.g FORTRAN, Pascal) and allows further analyses and manipulation of data item values.
exercise
发表于 2025-3-23 05:13:47
Database Management SystemsComputer-based information systems which make use of a database management system (DBMS) evolve around the concepts of field, aggregate fields, record type, and file.
无孔
发表于 2025-3-23 06:12:50
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