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使用GBase 8s数据库

發布時間：2024/3/26 数据库 46 豆豆

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1.1?啟動/停止數據庫服務

通常情況下，使用?gbasedbt?用戶來啟動和停止數據庫服務。

成功安裝數據庫?GBase 8s?后，數據庫會自動處于啟動狀態，可通過以下命令檢查服務進程是否存在：

[root@localhost opt]# ps -ef|grep oninit

gbasedbt 10830?????1??0 19:52 ?????00:00:04 /opt/GBASE/gbase/bin/oninit -vy

root?????10831 10830??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????10832 10831??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????10833 10831??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????10834 10831??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????10835 10831??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????10836 10831??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????10837 10831??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????10915 10831??0 19:52 ?????00:00:00 /opt/GBASE/gbase/bin/oninit -vy

root?????11997??5051??0 20:02 pts/0????00:00:00 grep oninit

以?gbasedbt?用戶身份登錄后，輸入?onmode?–ky，可停止數據庫服務，示例如下：

[gbasedbt@localhost ~]$ onmode -ky

輸入?oninit?–vy,啟動數據庫服務，示例如下：

[gbasedbt@localhost ~]$ oninit -vy

Warning: Parameter's user-configured value was adjusted. (DS_MAX_SCANS)

Warning: Parameter's user-configured value was adjusted. (ONLIDX_MAXMEM)

Reading configuration file '/opt/GBASE/gbase/etc/onconfig.ol_gbasedbt1210'...succeeded

Creating /GBASEDBTTMP/.infxdirs...succeeded

Allocating and attaching to shared memory...succeeded

Creating resident pool 8310 kbytes...succeeded

Creating infos file "/opt/GBASE/gbase/etc/.infos.ol_gbasedbt1210"...succeeded

Linking conf file "/opt/GBASE/gbase/etc/.conf.ol_gbasedbt1210"...succeeded

Initializing rhead structure...rhlock_t 16384 (512K)... rlock_t (5312K)... Writing to infos file...succeeded

Initialization of Encryption...succeeded

Initializing ASF...succeeded

Initializing Dictionary Cache and SPL Routine Cache...succeeded

Bringing up ADM VP...succeeded

Creating VP classes...succeeded

Forking main_loop thread...succeeded

Initializing DR structures...succeeded

Forking 1 'soctcp' listener threads...succeeded

Starting tracing...succeeded

Initializing 2 flushers...succeeded

Initializing SDS Server network connections...succeeded

Initializing log/checkpoint information...succeeded

Initializing dbspaces...succeeded

Opening primary chunks...succeeded

Validating chunks...succeeded

Initialize Async Log Flusher...succeeded

Starting B-tree Scanner...succeeded

Init ReadAhead Daemon...succeeded

Init DB Util Daemon...succeeded

Initializing DBSPACETEMP list...succeeded

Init Auto Tuning Daemon...succeeded

Checking database partition index...succeeded

Initializing dataskip structure...succeeded

Checking for temporary tables to drop...succeeded

Updating Global Row Counter...succeeded

Forking onmode_mon thread...succeeded

Creating periodic thread...succeeded

Starting scheduling system...succeeded

Verbose output complete: mode = 5

輸入?ps -ef|grep oninit?檢查數據庫服務進程是否存在：

[gbasedbt@localhost ~]$ ps -ef|grep oninit

gbasedbt 12056?????1??0 20:14 ?????????00:00:00 oninit -vy

root?????12057 12056??0 20:14 ?????????00:00:00 oninit -vy

root?????12058 12057??0 20:14 ?????????00:00:00 oninit -vy

root?????12059 12057??0 20:14 ?????????00:00:00 oninit -vy

root?????12060 12057??0 20:14 ?????????00:00:00 oninit -vy

root?????12061 12057??0 20:14 ?????????00:00:00 oninit -vy

root?????12062 12057??0 20:14 ?????????00:00:00 oninit -vy

root?????12063 12057??0 20:14 ?????????00:00:00 oninit -vy

root?????12064 12057??0 20:14 ?????????00:00:00 oninit -vy

gbasedbt 12134 12116??0 20:25 pts/0????00:00:00 grep oninit

1.2?登錄數據庫

以?gbasedbt?用戶身份登錄，輸入?dbaccess - -?命令進入數據庫命令行模式，示例如下：

[gbasedbt@localhost ~]$ dbaccess – -?

1.3?創建數據庫

在?dbaccess?交互命令行中，執行如下SQL語句，創建數據庫，示例如下：

[gbasedbt@localhost~]$ dbaccess - -

> create database gbase8s;??

Database created.

總結

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