--Oracle 9i 实例数据脚本地址:$oracle_home/rdbms/admin/utlsampl.sql CREATETABLEDEPT (DEPTNO NUMBER(2)CONSTRAINTPK_DEPTPRIMARYKEY, DNAME VARCHAR2(14) , LOC VARCHAR2(13) ) ; CREATETABLEEMP (EMPNO NUMBER(4)CONSTRAINTPK_EMPPRIMARYKEY, ENAME VARCHAR2(10), JOB VARCHAR2(9), MGR NUMBER(4), HIR...
*/ $headings = array("Product ID", "Product Name", "Color", "Size", "Price"); echo "<table align='center' cellpadding='5'>"; echo "<tr bgcolor='silver'>$rowCount Results</tr><tr>"; foreach ( $headings as $heading ) { echo "<td>$heading</td>"; } echo "</tr>"; } ...
Table definition for regions CREATETABLEregions(objectidintegernotnull,remp_idintegernotnull,rnamevarchar(32),); Grant privileges on the table If the user creating the view is not the owner of the table or tables on which the view is based, the table owner must grant the...
There are two key points to keep in mind: For a table to be replicated in the cluster, it must use the NDBCLUSTER storage engine. To specify this, use the ENGINE=NDBCLUSTER or ENGINE=NDB option when creating the table: CREATE TABLE tbl_name (col_name column_definitions) ENGINE=NDB...
$getProducts = sqlsrv_query($conn, $tsql, $params, $cursorType); if ( $getProducts === false) die( FormatErrors( sqlsrv_errors() ) ); if(sqlsrv_has_rows($getProducts)) { $rowCount = sqlsrv_num_rows($getProducts); BeginProductsTable($rowCount); while( $row = sqlsrv_fetch_arr...
MariaDB provides a create table statement to the user. in which we are able to create a table with the assigned name of the table. Normally in creating a table statement, create a table statement followed by table name with column name and data type. We have different options to create ...
The syntax for creating – Primary key in newly created table Create table <table name>( Field <type> Primary key . . Fields ) The syntax for creating – Primary key in existing table ALTER TABLE <Table-Name> ADD PRIMARY KEY (Field); ...
Next, we will query using DESC TABLE command to get the details of the table by the statement below: Code: DESC Emp_Data; OR, DESCRIBE Emp_Data; Output: As you can view while creating we have added default value for the Emp_Salary column and therefore when described the result shows DE...
For a table to be replicated in the cluster, it must use theNDBCLUSTERstorage engine. To specify this, use theENGINE=NDBCLUSTERorENGINE=NDBoption when creating the table: CREATETABLEtbl_name(col_namecolumn_definitions)ENGINE=NDBCLUSTER;
The average order record is around 100 bytes, with threeOrderItemrecords in the order partition that are around 50 bytes each, giving you an average order entity size of 250 bytes. For that table, the N factor calculation would look like the following. ...