Oracle SQLcl (SQL Developer Command Line) is a Java-based command-line interface for Oracle Database. Using SQLcl, you can execute SQL and PL/SQL statements interactively or as as a batch file. SQLcl provides inline editing, statement completion, command
切换到Oracle用户,用如下命令解锁scott用户并将密码设置成tiger [root@11gdg1~]# su - oracle11gdg1->sqlplus/assysdbaSQL*Plus:Release11.2.0.3.0ProductiononTue Jul1409:59:362015Copyright(c)1982,2011,Oracle.Allrights reserved.Connectedto: OracleDatabase11g Enterprise EditionRelease11.2.0.3.0-64bit Produ...
Values generated from commands that behave like columns of a table but are not actually stored in the table. Oracle Database Lite supports the LEVEL and ROWNUM pseudocolumns. Functions Operate on data to transform or aggregate it. For example, TO_DATE to transform a date column into a par...
using 指的是where条件中的变量 into 指的是要获取的数据变量 比如说 V_SQL_T := 'SELECT SUM(QTY), SUM(COST * QTY)FROM SALES WHERE SALE_DATE = :1';EXECUTE IMMEDIATE V_SQL_T INTO T_QTY, T_AMT USING D_SALESDATE;上面INTO就是要sum(qty)和sum(cost*qty)赋值到t_qty和t_a...
oracle动态sql,传值using的用法 declare i_bank_id varchar2(10) := '15'; i_bank_name varchar2(100) := 'testyy'; i_flag varchar2(1) := '0'; i_oper_time date := sysdate; begin execute immediate 'insert into sys_bank values(:p1,:p2,:p3,:p4)'...
方法/步骤 1 分析：这个错误和oracle数据库无关，纯粹是plsql developer这个工具引起的，只要对应的进行一些设置就行了。（当然如果你不介意这个提示，不用做什么设置也行，并不影响使用）2 首先登陆plsql（不登陆也行）3 依次打开Tools-->Object Browser Filters...4 选择My Objects并打勾Default然后点击OK保存...
in适合于外表大而内表小的情况,exists适合于外表小而内表大的情况。 三、慢查询 1.慢查询的用途 它能记录下所有执行超过long_query_time时间的SQL语句,帮我们找到执行慢的SQL,方便我们对这些SQL进行优化。 2.查看是否开启慢查询 show variables like 'slow_query%'; ...
If you are running mysql under Windows and have some special characters in the file that cause problems, you can do this: C:\> mysql -e "source batch-file" If you need to specify connection parameters on the command line, the command might look like this: $> mysql -h host -u us...
You can use the Import Wizard to customize your preferences for the import environment and import data using the different methods like Insert, Insert Script, External Table, Staging External Table and SQL*Loader. Perform the following steps to set the preferences in your Import Wizard...
Run SQL*Plus and connect using the Oracle network service name used in the unzipped tnsnames.ora file. For example if the user 'CJ' had been granted access to the database, then run SQL*Plus in a terminal like: sqlplus cj@dbaccess See Creating Database Schemas if you need to create a...