Tutorial by Topics: database

Oracle is a relational database management system (RDBMS) originally built by Larry Ellison, Bob Miner, and Ed Oates in the late 70s. It was intended to be compatible with IBM's System R. VersionRelease DateVersion 1 (unreleased)1978-01-01Oracle V21979-01-01Oracle Version 31983-01-01Oracle Ver...
CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name [create_specification] /// To create database DROP {DATABASE | SCHEMA} [IF EXISTS] db_name /// To drop database ParameterDetailsCREATE DATABASECreates a database with the given nameCREATE SCHEMAThis is a synonym for CREATE DATABASEIF NOT E...
A database snapshot is a read-only, static view of a SQL Server database which is transactionally consistent with the source database as of the moment of the snapshot's creation. A database snapshot always resides on the same server instance as its source database. As the source database is updat...
As with other relational database systems, SQL Server exposes metadata about your databases. This is provided through the ISO Standard INFORMATION_SCHEMA schema, or the SQL Server-specific sys catalog views.
You will need the Qt SQL plugin corresponding to the type given to QSqlDatabase::addDatabase If you don't have the required SQL plugin, Qt will warn you that it can't find the requested driver If you don't have the required SQL plugin you will have to compile them from the Qt source
This section provides an overview of what database is, and why a developer might want to use it. It should also mention any large subjects within database, and link out to the related topics. Since the Documentation for database is new, you may need to create initial versions of those related to...
DB_URL = "jdbc:DBMS://DB_HOST:DB_PORT/DB_NAME" DBMS: Data Base Driver Manager, this can be any DBMS (mysql, oracle, postgresql, sqlite, ...), exemple of mysql: "com.mysql.jdbc.Driver" DB_HOST: your database base host, the IP adress of your database exemple : 10.6.0...
CREATE DATABASE dbname;
This section provides an overview of what firebase-database is, and why a developer might want to use it. It should also mention any large subjects within firebase-database, and link out to the related topics. Since the Documentation for firebase-database is new, you may need to create initial v...
CREATE [TEMPORARY] [EXTERNAL] TABLE [IF NOT EXISTS] [db_name.]table_name [(col_name data_type [COMMENT col_comment], ...)] [COMMENT table_comment] [PARTITIONED BY (col_name data_type [COMMENT col_comment], ...)] [CLUSTERED BY (col_name, col_name, ...) [SORTED BY (col_name [ASC|DESC], ...)] I...
Firebase Realtime Database Rules determine who has read and write access to your database, how your data is structured, and what indexes exist. These rules live on the Firebase servers and are enforced automatically at all times. Every read and write request will only be completed if your rules al...
With Firebase Realtime Database, your Database rules is your server side security. You need to be very careful and aware of who has access to your database. It is important that no one gains access to your data that shouldn't. By default, the Firebase Realtime Database rules allow any authenticated...

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