DBMS Indexing MCQs: This section contains multiple-choice questions and answers on Indexing in DBMS. Submitted by Anushree Goswami, on April 23, 2022 1. A database is ___ to reduce the number of disk accesses n
HR Interview Questions Computer Glossary Who is WhoDBMS - IndexingPrevious Quiz Next We know that data is stored in the form of records. Every record has a key field, which helps it to be recognized uniquely.Indexing is a data structure technique to efficiently retrieve records from the databa...
What is primary indexing in DBMS? Primary indexing is defined mainlyon the primary key of the data-file, in which the data-file is already ordered based on the primary key. Primary Index is an ordered file whose records are of fixed length with two fields. ... There exists a record in...
When you use CREATE INDEX to create an index or ALTER INDEX to manage an index, you can optionally specify indexing preferences, stoplists, and section groups in the parameter string. Specifying a preference, stoplist, or section group answers one of the following questions about the way Oracle...
See Also: "Frequently Asked Questions About Indexing Performance" in Chapter 5, "Performance Tuning"Query Performance and Storage of LOB ColumnsIf your table contains LOB structured columns that are frequently accessed in queries but rarely updated, you can improve query performance by storing these...
1、从 MySql 到MsSql 可以利用DBMS自带的导入导出工具,选择数据源时选 .Net FreamWork Data Provider For MySql 输入地址,端口、账号、密码、数据名 2、在目标选择MSSql就可以了。 速度惊人,居然比两个MSSQL之前导数还快。 ...问答精选ImportError: cannot import name 'keras_tensor' from 'tensorflow.python.ke...
abstract meaning/ C7240 Information analysis and indexing C7210N Information networks C6160 Database management systems (DBMS)Semantic indexing is a way of coding digital texts and images to represent their associated abstract meanings in database form. Databases encoded in this way enable users to ...
dbms_auto_index.configure( parameter_name => 'auto_index_schema', parameter_value => 'SH', allow => FALSE); end; / It is useful to adjust the report retention period to suit your requirements. Automatic indexing can generate significant metadata in the advisor framework (stored in SYSAUX)...
If a raw partition is used instead, the data is written directly from the database cache to disk with no intermediate file system or operating system caching, as shown in Figure 11-1. When the DBMS cache manager writes the data to disk, it will physically be written to disk with no in...
To be able to use procedures such asDBMS_STATS.GATHER_INDEX_STATSandDBMS_STATS.GATHER_SCHEMA_STATSto gather index statistics related to spatial indexes, the CREATE TABLE privilege must be granted to all database users that will perform the statistics collection. ...